Home / 862,221.32-1,291,123.68-719,712.24

Finding the Fourth Proportional to 862,221.32, 1,291,123.68 and 719,712.24

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Solution

The fourth proportional to 862,221.32, 1,291,123.68 and 719,712.24 is: 1,077,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,221.32 : 1,291,123.68 = 719,712.24 : x
  2. Step 2: Convert to fraction form
    862,221.32/1,291,123.68 = 719,712.24/x
  3. Step 3: Cross multiply
    862,221.32x = 1,291,123.68 × 719,712.24
  4. Step 4: Simplify right side
    862,221.32x = 929,237,515,849.84
  5. Step 5: Solve for x
    x = 929,237,515,849.84/862,221.32
  6. Step 6: Final answer
    x = 1,077,725.05

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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.