Home / 1,209,883.09-1,815,098.06-400,265.61

Finding the Fourth Proportional to 1,209,883.09, 1,815,098.06 and 400,265.61

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Solution

The fourth proportional to 1,209,883.09, 1,815,098.06 and 400,265.61 is: 600,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,883.09 : 1,815,098.06 = 400,265.61 : x
  2. Step 2: Convert to fraction form
    1,209,883.09/1,815,098.06 = 400,265.61/x
  3. Step 3: Cross multiply
    1,209,883.09x = 1,815,098.06 × 400,265.61
  4. Step 4: Simplify right side
    1,209,883.09x = 726,521,332,195.72
  5. Step 5: Solve for x
    x = 726,521,332,195.72/1,209,883.09
  6. Step 6: Final answer
    x = 600,488.87

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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.