Home / 925,998.30-1,391,949.90-872,854.20

Finding the Fourth Proportional to 925,998.30, 1,391,949.90 and 872,854.20

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Solution

The fourth proportional to 925,998.30, 1,391,949.90 and 872,854.20 is: 1,312,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,998.30 : 1,391,949.90 = 872,854.20 : x
  2. Step 2: Convert to fraction form
    925,998.30/1,391,949.90 = 872,854.20/x
  3. Step 3: Cross multiply
    925,998.30x = 1,391,949.90 × 872,854.20
  4. Step 4: Simplify right side
    925,998.30x = 1,214,969,316,404.58
  5. Step 5: Solve for x
    x = 1,214,969,316,404.58/925,998.30
  6. Step 6: Final answer
    x = 1,312,064.31

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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.