Home / 835,469.76-1,251,626.40-647,561.28

Finding the Fourth Proportional to 835,469.76, 1,251,626.40 and 647,561.28

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Solution

The fourth proportional to 835,469.76, 1,251,626.40 and 647,561.28 is: 970,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,469.76 : 1,251,626.40 = 647,561.28 : x
  2. Step 2: Convert to fraction form
    835,469.76/1,251,626.40 = 647,561.28/x
  3. Step 3: Cross multiply
    835,469.76x = 1,251,626.40 × 647,561.28
  4. Step 4: Simplify right side
    835,469.76x = 810,504,793,665.79
  5. Step 5: Solve for x
    x = 810,504,793,665.79/835,469.76
  6. Step 6: Final answer
    x = 970,118.65

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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.