Home / 1,224,890.35-1,690,304.50-673,601.43

Finding the Fourth Proportional to 1,224,890.35, 1,690,304.50 and 673,601.43

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Solution

The fourth proportional to 1,224,890.35, 1,690,304.50 and 673,601.43 is: 929,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,890.35 : 1,690,304.50 = 673,601.43 : x
  2. Step 2: Convert to fraction form
    1,224,890.35/1,690,304.50 = 673,601.43/x
  3. Step 3: Cross multiply
    1,224,890.35x = 1,690,304.50 × 673,601.43
  4. Step 4: Simplify right side
    1,224,890.35x = 1,138,591,528,335.44
  5. Step 5: Solve for x
    x = 1,138,591,528,335.44/1,224,890.35
  6. Step 6: Final answer
    x = 929,545.68

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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.