Finding the Fourth Proportional to 1,278,522.97, 1,918,096.84 and 425,592.97
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Solution
The fourth proportional to 1,278,522.97, 1,918,096.84 and 425,592.97 is: 638,493.44
Step by Step Solution
- Step 1: Write the proportion equation
1,278,522.97 : 1,918,096.84 = 425,592.97 : x - Step 2: Convert to fraction form
1,278,522.97/1,918,096.84 = 425,592.97/x - Step 3: Cross multiply
1,278,522.97x = 1,918,096.84 × 425,592.97 - Step 4: Simplify right side
1,278,522.97x = 816,328,526,619.96 - Step 5: Solve for x
x = 816,328,526,619.96/1,278,522.97 - Step 6: Final answer
x = 638,493.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.