Home / 1,284,101.60-1,926,939.72-574,729.52

Finding the Fourth Proportional to 1,284,101.60, 1,926,939.72 and 574,729.52

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Solution

The fourth proportional to 1,284,101.60, 1,926,939.72 and 574,729.52 is: 862,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,101.60 : 1,926,939.72 = 574,729.52 : x
  2. Step 2: Convert to fraction form
    1,284,101.60/1,926,939.72 = 574,729.52/x
  3. Step 3: Cross multiply
    1,284,101.60x = 1,926,939.72 × 574,729.52
  4. Step 4: Simplify right side
    1,284,101.60x = 1,107,469,140,344.53
  5. Step 5: Solve for x
    x = 1,107,469,140,344.53/1,284,101.60
  6. Step 6: Final answer
    x = 862,446.66

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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.