Home / 1,126,160.64-1,689,245.76-327,445.44

Finding the Fourth Proportional to 1,126,160.64, 1,689,245.76 and 327,445.44

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Solution

The fourth proportional to 1,126,160.64, 1,689,245.76 and 327,445.44 is: 491,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,160.64 : 1,689,245.76 = 327,445.44 : x
  2. Step 2: Convert to fraction form
    1,126,160.64/1,689,245.76 = 327,445.44/x
  3. Step 3: Cross multiply
    1,126,160.64x = 1,689,245.76 × 327,445.44
  4. Step 4: Simplify right side
    1,126,160.64x = 553,135,821,151.33
  5. Step 5: Solve for x
    x = 553,135,821,151.33/1,126,160.64
  6. Step 6: Final answer
    x = 491,169.56

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1.5x scale

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.