Home / 1,581,027.26-2,181,815.10-855,874.78

Finding the Fourth Proportional to 1,581,027.26, 2,181,815.10 and 855,874.78

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Solution

The fourth proportional to 1,581,027.26, 2,181,815.10 and 855,874.78 is: 1,181,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,027.26 : 2,181,815.10 = 855,874.78 : x
  2. Step 2: Convert to fraction form
    1,581,027.26/2,181,815.10 = 855,874.78/x
  3. Step 3: Cross multiply
    1,581,027.26x = 2,181,815.10 × 855,874.78
  4. Step 4: Simplify right side
    1,581,027.26x = 1,867,360,520,598.61
  5. Step 5: Solve for x
    x = 1,867,360,520,598.61/1,581,027.26
  6. Step 6: Final answer
    x = 1,181,105.84

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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.