Home / 1,429,233.52-2,143,850.30-431,961.52

Finding the Fourth Proportional to 1,429,233.52, 2,143,850.30 and 431,961.52

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Solution

The fourth proportional to 1,429,233.52, 2,143,850.30 and 431,961.52 is: 647,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,233.52 : 2,143,850.30 = 431,961.52 : x
  2. Step 2: Convert to fraction form
    1,429,233.52/2,143,850.30 = 431,961.52/x
  3. Step 3: Cross multiply
    1,429,233.52x = 2,143,850.30 × 431,961.52
  4. Step 4: Simplify right side
    1,429,233.52x = 926,060,834,240.46
  5. Step 5: Solve for x
    x = 926,060,834,240.46/1,429,233.52
  6. Step 6: Final answer
    x = 647,942.29

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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.