Finding the Fourth Proportional to 1,098,115.57, 1,646,878.11 and 387,952.93
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Solution
The fourth proportional to 1,098,115.57, 1,646,878.11 and 387,952.93 is: 581,825.09
Step by Step Solution
- Step 1: Write the proportion equation
1,098,115.57 : 1,646,878.11 = 387,952.93 : x - Step 2: Convert to fraction form
1,098,115.57/1,646,878.11 = 387,952.93/x - Step 3: Cross multiply
1,098,115.57x = 1,646,878.11 × 387,952.93 - Step 4: Simplify right side
1,098,115.57x = 638,911,188,127.36 - Step 5: Solve for x
x = 638,911,188,127.36/1,098,115.57 - Step 6: Final answer
x = 581,825.09
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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.