Home / 1,942,575.35-2,912,201.28-745,356.88

Finding the Fourth Proportional to 1,942,575.35, 2,912,201.28 and 745,356.88

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Solution

The fourth proportional to 1,942,575.35, 2,912,201.28 and 745,356.88 is: 1,117,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,575.35 : 2,912,201.28 = 745,356.88 : x
  2. Step 2: Convert to fraction form
    1,942,575.35/2,912,201.28 = 745,356.88/x
  3. Step 3: Cross multiply
    1,942,575.35x = 2,912,201.28 × 745,356.88
  4. Step 4: Simplify right side
    1,942,575.35x = 2,170,629,252,712.30
  5. Step 5: Solve for x
    x = 2,170,629,252,712.30/1,942,575.35
  6. Step 6: Final answer
    x = 1,117,397.71

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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.