Home / 1,008,883.52-1,392,907.68-627,429.44

Finding the Fourth Proportional to 1,008,883.52, 1,392,907.68 and 627,429.44

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Solution

The fourth proportional to 1,008,883.52, 1,392,907.68 and 627,429.44 is: 866,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,883.52 : 1,392,907.68 = 627,429.44 : x
  2. Step 2: Convert to fraction form
    1,008,883.52/1,392,907.68 = 627,429.44/x
  3. Step 3: Cross multiply
    1,008,883.52x = 1,392,907.68 × 627,429.44
  4. Step 4: Simplify right side
    1,008,883.52x = 873,951,285,634.10
  5. Step 5: Solve for x
    x = 873,951,285,634.10/1,008,883.52
  6. Step 6: Final answer
    x = 866,255.88

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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.