Home / 929,672.10-1,394,508.15-811,574.10

Finding the Fourth Proportional to 929,672.10, 1,394,508.15 and 811,574.10

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Solution

The fourth proportional to 929,672.10, 1,394,508.15 and 811,574.10 is: 1,217,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,672.10 : 1,394,508.15 = 811,574.10 : x
  2. Step 2: Convert to fraction form
    929,672.10/1,394,508.15 = 811,574.10/x
  3. Step 3: Cross multiply
    929,672.10x = 1,394,508.15 × 811,574.10
  4. Step 4: Simplify right side
    929,672.10x = 1,131,746,696,778.91
  5. Step 5: Solve for x
    x = 1,131,746,696,778.91/929,672.10
  6. Step 6: Final answer
    x = 1,217,361.15

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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.