Home / 843,464.10-1,265,196.15-762,107.70

Finding the Fourth Proportional to 843,464.10, 1,265,196.15 and 762,107.70

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Solution

The fourth proportional to 843,464.10, 1,265,196.15 and 762,107.70 is: 1,143,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,464.10 : 1,265,196.15 = 762,107.70 : x
  2. Step 2: Convert to fraction form
    843,464.10/1,265,196.15 = 762,107.70/x
  3. Step 3: Cross multiply
    843,464.10x = 1,265,196.15 × 762,107.70
  4. Step 4: Simplify right side
    843,464.10x = 964,215,727,925.36
  5. Step 5: Solve for x
    x = 964,215,727,925.36/843,464.10
  6. Step 6: Final answer
    x = 1,143,161.55

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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.