Finding the Fourth Proportional to 1,386,253.04, 2,078,489.57 and 577,197.90
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Solution
The fourth proportional to 1,386,253.04, 2,078,489.57 and 577,197.90 is: 865,426.28
Step by Step Solution
- Step 1: Write the proportion equation
1,386,253.04 : 2,078,489.57 = 577,197.90 : x - Step 2: Convert to fraction form
1,386,253.04/2,078,489.57 = 577,197.90/x - Step 3: Cross multiply
1,386,253.04x = 2,078,489.57 × 577,197.90 - Step 4: Simplify right side
1,386,253.04x = 1,199,699,812,089.91 - Step 5: Solve for x
x = 1,199,699,812,089.91/1,386,253.04 - Step 6: Final answer
x = 865,426.28
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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.