Home / 1,040,170.10-1,561,421.55-804,557.30

Finding the Fourth Proportional to 1,040,170.10, 1,561,421.55 and 804,557.30

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Solution

The fourth proportional to 1,040,170.10, 1,561,421.55 and 804,557.30 is: 1,207,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,170.10 : 1,561,421.55 = 804,557.30 : x
  2. Step 2: Convert to fraction form
    1,040,170.10/1,561,421.55 = 804,557.30/x
  3. Step 3: Cross multiply
    1,040,170.10x = 1,561,421.55 × 804,557.30
  4. Step 4: Simplify right side
    1,040,170.10x = 1,256,253,106,429.82
  5. Step 5: Solve for x
    x = 1,256,253,106,429.82/1,040,170.10
  6. Step 6: Final answer
    x = 1,207,738.14

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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.