Finding the Fourth Proportional to 1,055,306.80, 1,579,176.36 and 913,639.36
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Solution
The fourth proportional to 1,055,306.80, 1,579,176.36 and 913,639.36 is: 1,367,183.15
Step by Step Solution
- Step 1: Write the proportion equation
1,055,306.80 : 1,579,176.36 = 913,639.36 : x - Step 2: Convert to fraction form
1,055,306.80/1,579,176.36 = 913,639.36/x - Step 3: Cross multiply
1,055,306.80x = 1,579,176.36 × 913,639.36 - Step 4: Simplify right side
1,055,306.80x = 1,442,797,678,877.53 - Step 5: Solve for x
x = 1,442,797,678,877.53/1,055,306.80 - Step 6: Final answer
x = 1,367,183.15
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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.