Finding the Fourth Proportional to 1,036,697.01, 1,554,940.35 and 278,439.95
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Solution
The fourth proportional to 1,036,697.01, 1,554,940.35 and 278,439.95 is: 417,631.68
Step by Step Solution
- Step 1: Write the proportion equation
1,036,697.01 : 1,554,940.35 = 278,439.95 : x - Step 2: Convert to fraction form
1,036,697.01/1,554,940.35 = 278,439.95/x - Step 3: Cross multiply
1,036,697.01x = 1,554,940.35 × 278,439.95 - Step 4: Simplify right side
1,036,697.01x = 432,957,513,306.98 - Step 5: Solve for x
x = 432,957,513,306.98/1,036,697.01 - Step 6: Final answer
x = 417,631.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.