Home / 1,008,045.15-1,512,067.73-759,213.15

Finding the Fourth Proportional to 1,008,045.15, 1,512,067.73 and 759,213.15

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Solution

The fourth proportional to 1,008,045.15, 1,512,067.73 and 759,213.15 is: 1,138,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,045.15 : 1,512,067.73 = 759,213.15 : x
  2. Step 2: Convert to fraction form
    1,008,045.15/1,512,067.73 = 759,213.15/x
  3. Step 3: Cross multiply
    1,008,045.15x = 1,512,067.73 × 759,213.15
  4. Step 4: Simplify right side
    1,008,045.15x = 1,147,981,700,510.58
  5. Step 5: Solve for x
    x = 1,147,981,700,510.58/1,008,045.15
  6. Step 6: Final answer
    x = 1,138,819.73

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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.