Finding the Fourth Proportional to 1,392,287.13, 2,088,432.52 and 381,417.96
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Solution
The fourth proportional to 1,392,287.13, 2,088,432.52 and 381,417.96 is: 572,127.44
Step by Step Solution
- Step 1: Write the proportion equation
1,392,287.13 : 2,088,432.52 = 381,417.96 : x - Step 2: Convert to fraction form
1,392,287.13/2,088,432.52 = 381,417.96/x - Step 3: Cross multiply
1,392,287.13x = 2,088,432.52 × 381,417.96 - Step 4: Simplify right side
1,392,287.13x = 796,565,678,254.14 - Step 5: Solve for x
x = 796,565,678,254.14/1,392,287.13 - Step 6: Final answer
x = 572,127.44
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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.