Home / 1,055,305.80-1,579,174.86-913,638.36

Finding the Fourth Proportional to 1,055,305.80, 1,579,174.86 and 913,638.36

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Solution

The fourth proportional to 1,055,305.80, 1,579,174.86 and 913,638.36 is: 1,367,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,305.80 : 1,579,174.86 = 913,638.36 : x
  2. Step 2: Convert to fraction form
    1,055,305.80/1,579,174.86 = 913,638.36/x
  3. Step 3: Cross multiply
    1,055,305.80x = 1,579,174.86 × 913,638.36
  4. Step 4: Simplify right side
    1,055,305.80x = 1,442,794,729,243.63
  5. Step 5: Solve for x
    x = 1,442,794,729,243.63/1,055,305.80
  6. Step 6: Final answer
    x = 1,367,181.65

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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.