Home / 843,425.60-1,265,138.40-762,069.20

Finding the Fourth Proportional to 843,425.60, 1,265,138.40 and 762,069.20

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Solution

The fourth proportional to 843,425.60, 1,265,138.40 and 762,069.20 is: 1,143,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,425.60 : 1,265,138.40 = 762,069.20 : x
  2. Step 2: Convert to fraction form
    843,425.60/1,265,138.40 = 762,069.20/x
  3. Step 3: Cross multiply
    843,425.60x = 1,265,138.40 × 762,069.20
  4. Step 4: Simplify right side
    843,425.60x = 964,123,008,377.28
  5. Step 5: Solve for x
    x = 964,123,008,377.28/843,425.60
  6. Step 6: Final answer
    x = 1,143,103.80

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1.5x scale

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.