Home / 1,304,542.32-1,960,545.96-640,160.88

Finding the Fourth Proportional to 1,304,542.32, 1,960,545.96 and 640,160.88

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Solution

The fourth proportional to 1,304,542.32, 1,960,545.96 and 640,160.88 is: 962,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,542.32 : 1,960,545.96 = 640,160.88 : x
  2. Step 2: Convert to fraction form
    1,304,542.32/1,960,545.96 = 640,160.88/x
  3. Step 3: Cross multiply
    1,304,542.32x = 1,960,545.96 × 640,160.88
  4. Step 4: Simplify right side
    1,304,542.32x = 1,255,064,827,034.04
  5. Step 5: Solve for x
    x = 1,255,064,827,034.04/1,304,542.32
  6. Step 6: Final answer
    x = 962,072.91

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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.