Home / 1,002,359.90-1,504,823.44-861,108.86

Finding the Fourth Proportional to 1,002,359.90, 1,504,823.44 and 861,108.86

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Solution

The fourth proportional to 1,002,359.90, 1,504,823.44 and 861,108.86 is: 1,292,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,359.90 : 1,504,823.44 = 861,108.86 : x
  2. Step 2: Convert to fraction form
    1,002,359.90/1,504,823.44 = 861,108.86/x
  3. Step 3: Cross multiply
    1,002,359.90x = 1,504,823.44 × 861,108.86
  4. Step 4: Simplify right side
    1,002,359.90x = 1,295,816,796,919.68
  5. Step 5: Solve for x
    x = 1,295,816,796,919.68/1,002,359.90
  6. Step 6: Final answer
    x = 1,292,766.00

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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.