Home / 1,200,745.11-1,801,824.85-443,119.71

Finding the Fourth Proportional to 1,200,745.11, 1,801,824.85 and 443,119.71

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Solution

The fourth proportional to 1,200,745.11, 1,801,824.85 and 443,119.71 is: 664,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,745.11 : 1,801,824.85 = 443,119.71 : x
  2. Step 2: Convert to fraction form
    1,200,745.11/1,801,824.85 = 443,119.71/x
  3. Step 3: Cross multiply
    1,200,745.11x = 1,801,824.85 × 443,119.71
  4. Step 4: Simplify right side
    1,200,745.11x = 798,424,112,313.54
  5. Step 5: Solve for x
    x = 798,424,112,313.54/1,200,745.11
  6. Step 6: Final answer
    x = 664,940.55

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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.