Finding the Fourth Proportional to 1,036,129.13, 1,554,281.17 and 288,175.13
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Solution
The fourth proportional to 1,036,129.13, 1,554,281.17 and 288,175.13 is: 432,287.02
Step by Step Solution
- Step 1: Write the proportion equation
1,036,129.13 : 1,554,281.17 = 288,175.13 : x - Step 2: Convert to fraction form
1,036,129.13/1,554,281.17 = 288,175.13/x - Step 3: Cross multiply
1,036,129.13x = 1,554,281.17 × 288,175.13 - Step 4: Simplify right side
1,036,129.13x = 447,905,178,221.30 - Step 5: Solve for x
x = 447,905,178,221.30/1,036,129.13 - Step 6: Final answer
x = 432,287.02
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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.