Home / 1,429,231.52-2,143,847.30-431,959.52

Finding the Fourth Proportional to 1,429,231.52, 2,143,847.30 and 431,959.52

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Solution

The fourth proportional to 1,429,231.52, 2,143,847.30 and 431,959.52 is: 647,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,231.52 : 2,143,847.30 = 431,959.52 : x
  2. Step 2: Convert to fraction form
    1,429,231.52/2,143,847.30 = 431,959.52/x
  3. Step 3: Cross multiply
    1,429,231.52x = 2,143,847.30 × 431,959.52
  4. Step 4: Simplify right side
    1,429,231.52x = 926,055,250,661.30
  5. Step 5: Solve for x
    x = 926,055,250,661.30/1,429,231.52
  6. Step 6: Final answer
    x = 647,939.29

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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.