Home / 1,040,129.10-1,561,360.05-804,516.30

Finding the Fourth Proportional to 1,040,129.10, 1,561,360.05 and 804,516.30

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Solution

The fourth proportional to 1,040,129.10, 1,561,360.05 and 804,516.30 is: 1,207,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,129.10 : 1,561,360.05 = 804,516.30 : x
  2. Step 2: Convert to fraction form
    1,040,129.10/1,561,360.05 = 804,516.30/x
  3. Step 3: Cross multiply
    1,040,129.10x = 1,561,360.05 × 804,516.30
  4. Step 4: Simplify right side
    1,040,129.10x = 1,256,139,610,393.82
  5. Step 5: Solve for x
    x = 1,256,139,610,393.82/1,040,129.10
  6. Step 6: Final answer
    x = 1,207,676.63

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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.