Finding the Fourth Proportional to 1,139,233.15, 1,707,354.87 and 838,304.65
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Solution
The fourth proportional to 1,139,233.15, 1,707,354.87 and 838,304.65 is: 1,256,356.99
Step by Step Solution
- Step 1: Write the proportion equation
1,139,233.15 : 1,707,354.87 = 838,304.65 : x - Step 2: Convert to fraction form
1,139,233.15/1,707,354.87 = 838,304.65/x - Step 3: Cross multiply
1,139,233.15x = 1,707,354.87 × 838,304.65 - Step 4: Simplify right side
1,139,233.15x = 1,431,283,526,721.15 - Step 5: Solve for x
x = 1,431,283,526,721.15/1,139,233.15 - Step 6: Final answer
x = 1,256,356.99
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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.