Home / 931,229.20-1,395,645.72-810,793.36

Finding the Fourth Proportional to 931,229.20, 1,395,645.72 and 810,793.36

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Solution

The fourth proportional to 931,229.20, 1,395,645.72 and 810,793.36 is: 1,215,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,229.20 : 1,395,645.72 = 810,793.36 : x
  2. Step 2: Convert to fraction form
    931,229.20/1,395,645.72 = 810,793.36/x
  3. Step 3: Cross multiply
    931,229.20x = 1,395,645.72 × 810,793.36
  4. Step 4: Simplify right side
    931,229.20x = 1,131,580,282,688.42
  5. Step 5: Solve for x
    x = 1,131,580,282,688.42/931,229.20
  6. Step 6: Final answer
    x = 1,215,146.91

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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.