Finding the Fourth Proportional to 1,036,387.13, 1,554,366.24 and 278,048.84
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Solution
The fourth proportional to 1,036,387.13, 1,554,366.24 and 278,048.84 is: 417,015.72
Step by Step Solution
- Step 1: Write the proportion equation
1,036,387.13 : 1,554,366.24 = 278,048.84 : x - Step 2: Convert to fraction form
1,036,387.13/1,554,366.24 = 278,048.84/x - Step 3: Cross multiply
1,036,387.13x = 1,554,366.24 × 278,048.84 - Step 4: Simplify right side
1,036,387.13x = 432,189,729,967.16 - Step 5: Solve for x
x = 432,189,729,967.16/1,036,387.13 - Step 6: Final answer
x = 417,015.72
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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.