Home / 1,438,508.41-2,155,958.32-762,922.24

Finding the Fourth Proportional to 1,438,508.41, 2,155,958.32 and 762,922.24

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Solution

The fourth proportional to 1,438,508.41, 2,155,958.32 and 762,922.24 is: 1,143,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,508.41 : 2,155,958.32 = 762,922.24 : x
  2. Step 2: Convert to fraction form
    1,438,508.41/2,155,958.32 = 762,922.24/x
  3. Step 3: Cross multiply
    1,438,508.41x = 2,155,958.32 × 762,922.24
  4. Step 4: Simplify right side
    1,438,508.41x = 1,644,828,550,841.04
  5. Step 5: Solve for x
    x = 1,644,828,550,841.04/1,438,508.41
  6. Step 6: Final answer
    x = 1,143,426.44

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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.