Home / 1,040,159.10-1,561,405.05-804,546.30

Finding the Fourth Proportional to 1,040,159.10, 1,561,405.05 and 804,546.30

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Solution

The fourth proportional to 1,040,159.10, 1,561,405.05 and 804,546.30 is: 1,207,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,159.10 : 1,561,405.05 = 804,546.30 : x
  2. Step 2: Convert to fraction form
    1,040,159.10/1,561,405.05 = 804,546.30/x
  3. Step 3: Cross multiply
    1,040,159.10x = 1,561,405.05 × 804,546.30
  4. Step 4: Simplify right side
    1,040,159.10x = 1,256,222,655,778.82
  5. Step 5: Solve for x
    x = 1,256,222,655,778.82/1,040,159.10
  6. Step 6: Final answer
    x = 1,207,721.64

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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.