Home / 1,126,149.78-1,689,389.38-327,327.53

Finding the Fourth Proportional to 1,126,149.78, 1,689,389.38 and 327,327.53

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Solution

The fourth proportional to 1,126,149.78, 1,689,389.38 and 327,327.53 is: 491,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,149.78 : 1,689,389.38 = 327,327.53 : x
  2. Step 2: Convert to fraction form
    1,126,149.78/1,689,389.38 = 327,327.53/x
  3. Step 3: Cross multiply
    1,126,149.78x = 1,689,389.38 × 327,327.53
  4. Step 4: Simplify right side
    1,126,149.78x = 552,983,655,349.27
  5. Step 5: Solve for x
    x = 552,983,655,349.27/1,126,149.78
  6. Step 6: Final answer
    x = 491,039.17

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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.