Home / 1,691,906.72-2,332,248.30-1,037,320.88

Finding the Fourth Proportional to 1,691,906.72, 2,332,248.30 and 1,037,320.88

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Solution

The fourth proportional to 1,691,906.72, 2,332,248.30 and 1,037,320.88 is: 1,429,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,906.72 : 2,332,248.30 = 1,037,320.88 : x
  2. Step 2: Convert to fraction form
    1,691,906.72/2,332,248.30 = 1,037,320.88/x
  3. Step 3: Cross multiply
    1,691,906.72x = 2,332,248.30 × 1,037,320.88
  4. Step 4: Simplify right side
    1,691,906.72x = 2,419,289,856,502.21
  5. Step 5: Solve for x
    x = 2,419,289,856,502.21/1,691,906.72
  6. Step 6: Final answer
    x = 1,429,919.17

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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.