Home / 1,002,360.90-1,504,824.94-861,109.86

Finding the Fourth Proportional to 1,002,360.90, 1,504,824.94 and 861,109.86

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Solution

The fourth proportional to 1,002,360.90, 1,504,824.94 and 861,109.86 is: 1,292,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,360.90 : 1,504,824.94 = 861,109.86 : x
  2. Step 2: Convert to fraction form
    1,002,360.90/1,504,824.94 = 861,109.86/x
  3. Step 3: Cross multiply
    1,002,360.90x = 1,504,824.94 × 861,109.86
  4. Step 4: Simplify right side
    1,002,360.90x = 1,295,819,593,407.91
  5. Step 5: Solve for x
    x = 1,295,819,593,407.91/1,002,360.90
  6. Step 6: Final answer
    x = 1,292,767.50

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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.