Home / 1,040,799.78-1,561,429.31-442,272.56

Finding the Fourth Proportional to 1,040,799.78, 1,561,429.31 and 442,272.56

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Solution

The fourth proportional to 1,040,799.78, 1,561,429.31 and 442,272.56 is: 663,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,799.78 : 1,561,429.31 = 442,272.56 : x
  2. Step 2: Convert to fraction form
    1,040,799.78/1,561,429.31 = 442,272.56/x
  3. Step 3: Cross multiply
    1,040,799.78x = 1,561,429.31 × 442,272.56
  4. Step 4: Simplify right side
    1,040,799.78x = 690,577,328,174.22
  5. Step 5: Solve for x
    x = 690,577,328,174.22/1,040,799.78
  6. Step 6: Final answer
    x = 663,506.41

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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.