Home / 1,203,831.38-1,661,251.31-659,948.57

Finding the Fourth Proportional to 1,203,831.38, 1,661,251.31 and 659,948.57

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Solution

The fourth proportional to 1,203,831.38, 1,661,251.31 and 659,948.57 is: 910,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,831.38 : 1,661,251.31 = 659,948.57 : x
  2. Step 2: Convert to fraction form
    1,203,831.38/1,661,251.31 = 659,948.57/x
  3. Step 3: Cross multiply
    1,203,831.38x = 1,661,251.31 × 659,948.57
  4. Step 4: Simplify right side
    1,203,831.38x = 1,096,340,423,145.38
  5. Step 5: Solve for x
    x = 1,096,340,423,145.38/1,203,831.38
  6. Step 6: Final answer
    x = 910,709.29

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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.