Home / 1,200,769.11-1,799,371.26-667,556.64

Finding the Fourth Proportional to 1,200,769.11, 1,799,371.26 and 667,556.64

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Solution

The fourth proportional to 1,200,769.11, 1,799,371.26 and 667,556.64 is: 1,000,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,769.11 : 1,799,371.26 = 667,556.64 : x
  2. Step 2: Convert to fraction form
    1,200,769.11/1,799,371.26 = 667,556.64/x
  3. Step 3: Cross multiply
    1,200,769.11x = 1,799,371.26 × 667,556.64
  4. Step 4: Simplify right side
    1,200,769.11x = 1,201,182,232,438.17
  5. Step 5: Solve for x
    x = 1,201,182,232,438.17/1,200,769.11
  6. Step 6: Final answer
    x = 1,000,344.05

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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.