Home / 1,025,003.28-1,536,630.12-724,538.64

Finding the Fourth Proportional to 1,025,003.28, 1,536,630.12 and 724,538.64

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Solution

The fourth proportional to 1,025,003.28, 1,536,630.12 and 724,538.64 is: 1,086,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,003.28 : 1,536,630.12 = 724,538.64 : x
  2. Step 2: Convert to fraction form
    1,025,003.28/1,536,630.12 = 724,538.64/x
  3. Step 3: Cross multiply
    1,025,003.28x = 1,536,630.12 × 724,538.64
  4. Step 4: Simplify right side
    1,025,003.28x = 1,113,347,897,327.84
  5. Step 5: Solve for x
    x = 1,113,347,897,327.84/1,025,003.28
  6. Step 6: Final answer
    x = 1,086,189.59

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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.