Jupiter gets debilitated when it is placed in the sign of Capricorn, which means Jupiter becomes very weak by virtue of its placement in the sign of Capricorn. Accordingly debilitated Jupiter in the fourth house of a horoscope may not produce significant positive or negative results for the native, unless it is supported by the other positive or negative planets in his horoscope. The type of results given by such debilitated Jupiter whether they are positive or negative; depend on the working nature of Jupiter and on the overall tone of the horoscope in question. When benefic in nature, retrograde debilitated Jupiter in the fourth house of a horoscope can bless the native with good results related to marriage, health, profession, fame, authority and many other types of good results depending on the overall tone of his horoscope. Some natives may feel the impact of such benefic retrograde debilitated Jupiter in the field of their marriage due to which they may experience a number of good things through their marriages. Benefic retrograde debilitated Jupiter in the fourth house can get some natives married to rich people and these natives may enjoy many luxuries and pleasures of life, by virtue of such marriages.
Benefic retrograde debilitated Jupiter in the fourth house can bless the natives with success through many fields of profession and it can bless them with fame and authority also. Such benefic retrograde debilitated Jupiter can bless some natives with posts of authority in the house of government through jobs or through politics depending on the overall tone of their horoscopes. Hence these natives may achieve such authority as army officers, police officers, administrative officers, judges and other types of professionals. For example, if benefic retrograde debilitated Jupiter is placed in the fourth house of a horoscope in the sign of Capricorn, benefic Venus is placed in the seventh house of this horoscope in the sign of Aries along with benefic exalted Sun; and benefic Mercury is placed in the eighth house of this horoscope in the sign of Taurus, the native may join the army. The native under the combined effect of benefic retrograde debilitated Jupiter in the fourth house and other benefic planets may get blessed with a post of authority in the army and he may achieve success and recognition as an army officer. The collective influence of such benefic retrograde debilitated Jupiter and other benefic planets can bless this native with qualities like bravery and the ability to take and execute his decision quickly, and he may benefit in his career through these qualities.
At the same time, if benefic exalted Mars is placed in the fourth house of this horoscope in the sign of Capricorn along with benefic retrograde debilitated Jupiter, benefic Saturn is placed in the tenth house of this horoscope in the sign of Cancer and benefic Moon is placed in the third house of this horoscope in the sign of Sagittarius, the results may become much better. The native under the combined effect of benefic retrograde debilitated Jupiter and other benefic planets may achieve success in some competitive exams for selection in the army and by virtue of such success; he may get selected for the highest possible direct rank in the army. This is due to the fact the benefic Mars being exalted in the sign of Capricorn may cancel the debilitation status of retrograde Jupiter and these two benefic planets may form Neechbhang Rajyoga in the fourth house of this horoscope in the sign of Capricorn, which may bless the native with high authority in the army, as indicated by his overall horoscope. Hence the native under the combined effect of benefic retrograde debilitated Jupiter in the fourth house and other benefic planets may become a high authority army officer and he may achieve very good amount of success and recognition through this field of profession.
On the other hand, malefic retrograde debilitated Jupiter in the fourth house of a horoscope can trouble the native under its influence with problems related to marriage, profession, finances, health and many other types of problems depending on the overall tone of his horoscope. Some natives may get hit by this malefic retrograde debilitated Jupiter in the sphere of their health due to which they may have to come across many types of health problems and diseases which may become serious if this malefic retrograde planet draws support from other disease promoting planets in one such horoscope. In extreme cases when supported by other malefic planets, malefic retrograde debilitated Jupiter in the fourth house of a horoscope can afflict the native under its impact with a fatal disease which may afflict much pain on him for many years and which may ultimately kill him at a relatively young age, if there is no strong life saving planet in his horoscope.