Home / 843,463.60-1,265,195.40-762,107.20

Finding the Fourth Proportional to 843,463.60, 1,265,195.40 and 762,107.20

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Solution

The fourth proportional to 843,463.60, 1,265,195.40 and 762,107.20 is: 1,143,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,463.60 : 1,265,195.40 = 762,107.20 : x
  2. Step 2: Convert to fraction form
    843,463.60/1,265,195.40 = 762,107.20/x
  3. Step 3: Cross multiply
    843,463.60x = 1,265,195.40 × 762,107.20
  4. Step 4: Simplify right side
    843,463.60x = 964,214,523,746.88
  5. Step 5: Solve for x
    x = 964,214,523,746.88/843,463.60
  6. Step 6: Final answer
    x = 1,143,160.80

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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.