Home / 1,129,839.88-1,694,818.14-288,398.92

Finding the Fourth Proportional to 1,129,839.88, 1,694,818.14 and 288,398.92

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Solution

The fourth proportional to 1,129,839.88, 1,694,818.14 and 288,398.92 is: 432,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,839.88 : 1,694,818.14 = 288,398.92 : x
  2. Step 2: Convert to fraction form
    1,129,839.88/1,694,818.14 = 288,398.92/x
  3. Step 3: Cross multiply
    1,129,839.88x = 1,694,818.14 × 288,398.92
  4. Step 4: Simplify right side
    1,129,839.88x = 488,783,721,172.41
  5. Step 5: Solve for x
    x = 488,783,721,172.41/1,129,839.88
  6. Step 6: Final answer
    x = 432,613.27

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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.