Home / 1,429,232.52-2,143,848.80-431,960.52

Finding the Fourth Proportional to 1,429,232.52, 2,143,848.80 and 431,960.52

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Solution

The fourth proportional to 1,429,232.52, 2,143,848.80 and 431,960.52 is: 647,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,232.52 : 2,143,848.80 = 431,960.52 : x
  2. Step 2: Convert to fraction form
    1,429,232.52/2,143,848.80 = 431,960.52/x
  3. Step 3: Cross multiply
    1,429,232.52x = 2,143,848.80 × 431,960.52
  4. Step 4: Simplify right side
    1,429,232.52x = 926,058,042,449.38
  5. Step 5: Solve for x
    x = 926,058,042,449.38/1,429,232.52
  6. Step 6: Final answer
    x = 647,940.79

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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.