Home / 1,331,581.33-1,837,694.19-815,332.69

Finding the Fourth Proportional to 1,331,581.33, 1,837,694.19 and 815,332.69

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Solution

The fourth proportional to 1,331,581.33, 1,837,694.19 and 815,332.69 is: 1,125,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,581.33 : 1,837,694.19 = 815,332.69 : x
  2. Step 2: Convert to fraction form
    1,331,581.33/1,837,694.19 = 815,332.69/x
  3. Step 3: Cross multiply
    1,331,581.33x = 1,837,694.19 × 815,332.69
  4. Step 4: Simplify right side
    1,331,581.33x = 1,498,332,147,330.07
  5. Step 5: Solve for x
    x = 1,498,332,147,330.07/1,331,581.33
  6. Step 6: Final answer
    x = 1,125,227.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.