Home / 1,055,256.12-1,582,872.78-256,538.60

Finding the Fourth Proportional to 1,055,256.12, 1,582,872.78 and 256,538.60

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Solution

The fourth proportional to 1,055,256.12, 1,582,872.78 and 256,538.60 is: 384,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,256.12 : 1,582,872.78 = 256,538.60 : x
  2. Step 2: Convert to fraction form
    1,055,256.12/1,582,872.78 = 256,538.60/x
  3. Step 3: Cross multiply
    1,055,256.12x = 1,582,872.78 × 256,538.60
  4. Step 4: Simplify right side
    1,055,256.12x = 406,067,966,959.31
  5. Step 5: Solve for x
    x = 406,067,966,959.31/1,055,256.12
  6. Step 6: Final answer
    x = 384,805.13

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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.