Home / 1,347,008.10-2,020,512.15-787,136.10

Finding the Fourth Proportional to 1,347,008.10, 2,020,512.15 and 787,136.10

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Solution

The fourth proportional to 1,347,008.10, 2,020,512.15 and 787,136.10 is: 1,180,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,008.10 : 2,020,512.15 = 787,136.10 : x
  2. Step 2: Convert to fraction form
    1,347,008.10/2,020,512.15 = 787,136.10/x
  3. Step 3: Cross multiply
    1,347,008.10x = 2,020,512.15 × 787,136.10
  4. Step 4: Simplify right side
    1,347,008.10x = 1,590,418,053,753.62
  5. Step 5: Solve for x
    x = 1,590,418,053,753.62/1,347,008.10
  6. Step 6: Final answer
    x = 1,180,704.15

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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.