Home / 1,451,037.22-2,176,781.19-740,680.90

Finding the Fourth Proportional to 1,451,037.22, 2,176,781.19 and 740,680.90

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Solution

The fourth proportional to 1,451,037.22, 2,176,781.19 and 740,680.90 is: 1,111,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,037.22 : 2,176,781.19 = 740,680.90 : x
  2. Step 2: Convert to fraction form
    1,451,037.22/2,176,781.19 = 740,680.90/x
  3. Step 3: Cross multiply
    1,451,037.22x = 2,176,781.19 × 740,680.90
  4. Step 4: Simplify right side
    1,451,037.22x = 1,612,300,250,912.27
  5. Step 5: Solve for x
    x = 1,612,300,250,912.27/1,451,037.22
  6. Step 6: Final answer
    x = 1,111,136.38

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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.