Home / 1,542,882.78-2,314,691.10-643,824.90

Finding the Fourth Proportional to 1,542,882.78, 2,314,691.10 and 643,824.90

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Solution

The fourth proportional to 1,542,882.78, 2,314,691.10 and 643,824.90 is: 965,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,882.78 : 2,314,691.10 = 643,824.90 : x
  2. Step 2: Convert to fraction form
    1,542,882.78/2,314,691.10 = 643,824.90/x
  3. Step 3: Cross multiply
    1,542,882.78x = 2,314,691.10 × 643,824.90
  4. Step 4: Simplify right side
    1,542,882.78x = 1,490,255,765,988.39
  5. Step 5: Solve for x
    x = 1,490,255,765,988.39/1,542,882.78
  6. Step 6: Final answer
    x = 965,890.47

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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.