Finding the Fourth Proportional to 1,276,717.14, 1,915,355.77 and 378,229.10
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Solution
The fourth proportional to 1,276,717.14, 1,915,355.77 and 378,229.10 is: 567,426.61
Step by Step Solution
- Step 1: Write the proportion equation
1,276,717.14 : 1,915,355.77 = 378,229.10 : x - Step 2: Convert to fraction form
1,276,717.14/1,915,355.77 = 378,229.10/x - Step 3: Cross multiply
1,276,717.14x = 1,915,355.77 × 378,229.10 - Step 4: Simplify right side
1,276,717.14x = 724,443,278,544.56 - Step 5: Solve for x
x = 724,443,278,544.56/1,276,717.14 - Step 6: Final answer
x = 567,426.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.