Home / 1,040,012.75-1,560,019.13-252,044.75

Finding the Fourth Proportional to 1,040,012.75, 1,560,019.13 and 252,044.75

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Solution

The fourth proportional to 1,040,012.75, 1,560,019.13 and 252,044.75 is: 378,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,012.75 : 1,560,019.13 = 252,044.75 : x
  2. Step 2: Convert to fraction form
    1,040,012.75/1,560,019.13 = 252,044.75/x
  3. Step 3: Cross multiply
    1,040,012.75x = 1,560,019.13 × 252,044.75
  4. Step 4: Simplify right side
    1,040,012.75x = 393,194,631,616.07
  5. Step 5: Solve for x
    x = 393,194,631,616.07/1,040,012.75
  6. Step 6: Final answer
    x = 378,067.13

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.