Home / 1,517,357.70-2,275,380.45-758,906.10

Finding the Fourth Proportional to 1,517,357.70, 2,275,380.45 and 758,906.10

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Solution

The fourth proportional to 1,517,357.70, 2,275,380.45 and 758,906.10 is: 1,138,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,357.70 : 2,275,380.45 = 758,906.10 : x
  2. Step 2: Convert to fraction form
    1,517,357.70/2,275,380.45 = 758,906.10/x
  3. Step 3: Cross multiply
    1,517,357.70x = 2,275,380.45 × 758,906.10
  4. Step 4: Simplify right side
    1,517,357.70x = 1,726,800,103,325.75
  5. Step 5: Solve for x
    x = 1,726,800,103,325.75/1,517,357.70
  6. Step 6: Final answer
    x = 1,138,031.00

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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.