Home / 1,025,877.38-1,416,105.87-918,257.54

Finding the Fourth Proportional to 1,025,877.38, 1,416,105.87 and 918,257.54

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Solution

The fourth proportional to 1,025,877.38, 1,416,105.87 and 918,257.54 is: 1,267,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,877.38 : 1,416,105.87 = 918,257.54 : x
  2. Step 2: Convert to fraction form
    1,025,877.38/1,416,105.87 = 918,257.54/x
  3. Step 3: Cross multiply
    1,025,877.38x = 1,416,105.87 × 918,257.54
  4. Step 4: Simplify right side
    1,025,877.38x = 1,300,349,892,565.76
  5. Step 5: Solve for x
    x = 1,300,349,892,565.76/1,025,877.38
  6. Step 6: Final answer
    x = 1,267,549.04

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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.