Home / 843,462.10-1,265,193.15-762,105.70

Finding the Fourth Proportional to 843,462.10, 1,265,193.15 and 762,105.70

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Solution

The fourth proportional to 843,462.10, 1,265,193.15 and 762,105.70 is: 1,143,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,462.10 : 1,265,193.15 = 762,105.70 : x
  2. Step 2: Convert to fraction form
    843,462.10/1,265,193.15 = 762,105.70/x
  3. Step 3: Cross multiply
    843,462.10x = 1,265,193.15 × 762,105.70
  4. Step 4: Simplify right side
    843,462.10x = 964,210,911,215.96
  5. Step 5: Solve for x
    x = 964,210,911,215.96/843,462.10
  6. Step 6: Final answer
    x = 1,143,158.55

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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.