Finding the Fourth Proportional to 1,134,555.38, 1,565,686.42 and 625,257.76
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Solution
The fourth proportional to 1,134,555.38, 1,565,686.42 and 625,257.76 is: 862,855.70
Step by Step Solution
- Step 1: Write the proportion equation
1,134,555.38 : 1,565,686.42 = 625,257.76 : x - Step 2: Convert to fraction form
1,134,555.38/1,565,686.42 = 625,257.76/x - Step 3: Cross multiply
1,134,555.38x = 1,565,686.42 × 625,257.76 - Step 4: Simplify right side
1,134,555.38x = 978,957,577,326.05 - Step 5: Solve for x
x = 978,957,577,326.05/1,134,555.38 - Step 6: Final answer
x = 862,855.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.