Home / 1,126,591.20-1,689,997.20-327,880.80

Finding the Fourth Proportional to 1,126,591.20, 1,689,997.20 and 327,880.80

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Solution

The fourth proportional to 1,126,591.20, 1,689,997.20 and 327,880.80 is: 491,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,591.20 : 1,689,997.20 = 327,880.80 : x
  2. Step 2: Convert to fraction form
    1,126,591.20/1,689,997.20 = 327,880.80/x
  3. Step 3: Cross multiply
    1,126,591.20x = 1,689,997.20 × 327,880.80
  4. Step 4: Simplify right side
    1,126,591.20x = 554,117,633,933.76
  5. Step 5: Solve for x
    x = 554,117,633,933.76/1,126,591.20
  6. Step 6: Final answer
    x = 491,853.33

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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.