Home / 1,223,140.80-1,834,711.20-744,843.90

Finding the Fourth Proportional to 1,223,140.80, 1,834,711.20 and 744,843.90

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Solution

The fourth proportional to 1,223,140.80, 1,834,711.20 and 744,843.90 is: 1,117,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,140.80 : 1,834,711.20 = 744,843.90 : x
  2. Step 2: Convert to fraction form
    1,223,140.80/1,834,711.20 = 744,843.90/x
  3. Step 3: Cross multiply
    1,223,140.80x = 1,834,711.20 × 744,843.90
  4. Step 4: Simplify right side
    1,223,140.80x = 1,366,573,445,581.68
  5. Step 5: Solve for x
    x = 1,366,573,445,581.68/1,223,140.80
  6. Step 6: Final answer
    x = 1,117,265.85

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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.