Home / 1,175,687.92-1,762,283.22-747,877.87

Finding the Fourth Proportional to 1,175,687.92, 1,762,283.22 and 747,877.87

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Solution

The fourth proportional to 1,175,687.92, 1,762,283.22 and 747,877.87 is: 1,121,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,687.92 : 1,762,283.22 = 747,877.87 : x
  2. Step 2: Convert to fraction form
    1,175,687.92/1,762,283.22 = 747,877.87/x
  3. Step 3: Cross multiply
    1,175,687.92x = 1,762,283.22 × 747,877.87
  4. Step 4: Simplify right side
    1,175,687.92x = 1,317,972,620,910.34
  5. Step 5: Solve for x
    x = 1,317,972,620,910.34/1,175,687.92
  6. Step 6: Final answer
    x = 1,121,022.51

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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.