Finding the Fourth Proportional to 1,036,687.48, 1,554,926.14 and 278,430.43
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Solution
The fourth proportional to 1,036,687.48, 1,554,926.14 and 278,430.43 is: 417,617.42
Step by Step Solution
- Step 1: Write the proportion equation
1,036,687.48 : 1,554,926.14 = 278,430.43 : x - Step 2: Convert to fraction form
1,036,687.48/1,554,926.14 = 278,430.43/x - Step 3: Cross multiply
1,036,687.48x = 1,554,926.14 × 278,430.43 - Step 4: Simplify right side
1,036,687.48x = 432,938,753,778.44 - Step 5: Solve for x
x = 432,938,753,778.44/1,036,687.48 - Step 6: Final answer
x = 417,617.42
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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.