Home / 1,419,250.60-2,129,459.10-521,122.60

Finding the Fourth Proportional to 1,419,250.60, 2,129,459.10 and 521,122.60

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Solution

The fourth proportional to 1,419,250.60, 2,129,459.10 and 521,122.60 is: 781,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,250.60 : 2,129,459.10 = 521,122.60 : x
  2. Step 2: Convert to fraction form
    1,419,250.60/2,129,459.10 = 521,122.60/x
  3. Step 3: Cross multiply
    1,419,250.60x = 2,129,459.10 × 521,122.60
  4. Step 4: Simplify right side
    1,419,250.60x = 1,109,709,262,785.66
  5. Step 5: Solve for x
    x = 1,109,709,262,785.66/1,419,250.60
  6. Step 6: Final answer
    x = 781,898.04

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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.