Home / 1,008,845.33-1,392,354.92-664,626.57

Finding the Fourth Proportional to 1,008,845.33, 1,392,354.92 and 664,626.57

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Solution

The fourth proportional to 1,008,845.33, 1,392,354.92 and 664,626.57 is: 917,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,845.33 : 1,392,354.92 = 664,626.57 : x
  2. Step 2: Convert to fraction form
    1,008,845.33/1,392,354.92 = 664,626.57/x
  3. Step 3: Cross multiply
    1,008,845.33x = 1,392,354.92 × 664,626.57
  4. Step 4: Simplify right side
    1,008,845.33x = 925,396,067,403.94
  5. Step 5: Solve for x
    x = 925,396,067,403.94/1,008,845.33
  6. Step 6: Final answer
    x = 917,282.40

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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.