Finding the Fourth Proportional to 1,152,748.02, 1,728,550.17 and 394,374.99
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Solution
The fourth proportional to 1,152,748.02, 1,728,550.17 and 394,374.99 is: 591,366.84
Step by Step Solution
- Step 1: Write the proportion equation
1,152,748.02 : 1,728,550.17 = 394,374.99 : x - Step 2: Convert to fraction form
1,152,748.02/1,728,550.17 = 394,374.99/x - Step 3: Cross multiply
1,152,748.02x = 1,728,550.17 × 394,374.99 - Step 4: Simplify right side
1,152,748.02x = 681,696,956,008.25 - Step 5: Solve for x
x = 681,696,956,008.25/1,152,748.02 - Step 6: Final answer
x = 591,366.84
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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.