Home / 1,055,170.38-1,582,741.38-256,449.62

Finding the Fourth Proportional to 1,055,170.38, 1,582,741.38 and 256,449.62

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Solution

The fourth proportional to 1,055,170.38, 1,582,741.38 and 256,449.62 is: 384,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,170.38 : 1,582,741.38 = 256,449.62 : x
  2. Step 2: Convert to fraction form
    1,055,170.38/1,582,741.38 = 256,449.62/x
  3. Step 3: Cross multiply
    1,055,170.38x = 1,582,741.38 × 256,449.62
  4. Step 4: Simplify right side
    1,055,170.38x = 405,893,425,459.28
  5. Step 5: Solve for x
    x = 405,893,425,459.28/1,055,170.38
  6. Step 6: Final answer
    x = 384,670.98

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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.