Home / 1,110,805.38-1,665,863.42-400,741.02

Finding the Fourth Proportional to 1,110,805.38, 1,665,863.42 and 400,741.02

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Solution

The fourth proportional to 1,110,805.38, 1,665,863.42 and 400,741.02 is: 600,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,805.38 : 1,665,863.42 = 400,741.02 : x
  2. Step 2: Convert to fraction form
    1,110,805.38/1,665,863.42 = 400,741.02/x
  3. Step 3: Cross multiply
    1,110,805.38x = 1,665,863.42 × 400,741.02
  4. Step 4: Simplify right side
    1,110,805.38x = 667,579,804,107.78
  5. Step 5: Solve for x
    x = 667,579,804,107.78/1,110,805.38
  6. Step 6: Final answer
    x = 600,987.19

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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.