Finding the Fourth Proportional to 1,381,794.66, 2,072,691.90 and 539,755.92
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Solution
The fourth proportional to 1,381,794.66, 2,072,691.90 and 539,755.92 is: 809,633.84
Step by Step Solution
- Step 1: Write the proportion equation
1,381,794.66 : 2,072,691.90 = 539,755.92 : x - Step 2: Convert to fraction form
1,381,794.66/2,072,691.90 = 539,755.92/x - Step 3: Cross multiply
1,381,794.66x = 2,072,691.90 × 539,755.92 - Step 4: Simplify right side
1,381,794.66x = 1,118,747,723,361.05 - Step 5: Solve for x
x = 1,118,747,723,361.05/1,381,794.66 - Step 6: Final answer
x = 809,633.84
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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.