Home / 1,055,255.90-1,582,872.38-256,538.29

Finding the Fourth Proportional to 1,055,255.90, 1,582,872.38 and 256,538.29

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Solution

The fourth proportional to 1,055,255.90, 1,582,872.38 and 256,538.29 is: 384,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,255.90 : 1,582,872.38 = 256,538.29 : x
  2. Step 2: Convert to fraction form
    1,055,255.90/1,582,872.38 = 256,538.29/x
  3. Step 3: Cross multiply
    1,055,255.90x = 1,582,872.38 × 256,538.29
  4. Step 4: Simplify right side
    1,055,255.90x = 406,067,364,456.38
  5. Step 5: Solve for x
    x = 406,067,364,456.38/1,055,255.90
  6. Step 6: Final answer
    x = 384,804.64

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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.