Home / 859,882.20-1,288,268.10-701,251.80

Finding the Fourth Proportional to 859,882.20, 1,288,268.10 and 701,251.80

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Solution

The fourth proportional to 859,882.20, 1,288,268.10 and 701,251.80 is: 1,050,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,882.20 : 1,288,268.10 = 701,251.80 : x
  2. Step 2: Convert to fraction form
    859,882.20/1,288,268.10 = 701,251.80/x
  3. Step 3: Cross multiply
    859,882.20x = 1,288,268.10 × 701,251.80
  4. Step 4: Simplify right side
    859,882.20x = 903,400,324,007.58
  5. Step 5: Solve for x
    x = 903,400,324,007.58/859,882.20
  6. Step 6: Final answer
    x = 1,050,609.40

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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.