Home / 1,143,380.46-1,577,854.28-627,123.77

Finding the Fourth Proportional to 1,143,380.46, 1,577,854.28 and 627,123.77

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Solution

The fourth proportional to 1,143,380.46, 1,577,854.28 and 627,123.77 is: 865,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,380.46 : 1,577,854.28 = 627,123.77 : x
  2. Step 2: Convert to fraction form
    1,143,380.46/1,577,854.28 = 627,123.77/x
  3. Step 3: Cross multiply
    1,143,380.46x = 1,577,854.28 × 627,123.77
  4. Step 4: Simplify right side
    1,143,380.46x = 989,509,924,179.73
  5. Step 5: Solve for x
    x = 989,509,924,179.73/1,143,380.46
  6. Step 6: Final answer
    x = 865,424.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.