Home / 1,055,172.38-1,582,744.38-256,451.62

Finding the Fourth Proportional to 1,055,172.38, 1,582,744.38 and 256,451.62

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Solution

The fourth proportional to 1,055,172.38, 1,582,744.38 and 256,451.62 is: 384,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,172.38 : 1,582,744.38 = 256,451.62 : x
  2. Step 2: Convert to fraction form
    1,055,172.38/1,582,744.38 = 256,451.62/x
  3. Step 3: Cross multiply
    1,055,172.38x = 1,582,744.38 × 256,451.62
  4. Step 4: Simplify right side
    1,055,172.38x = 405,897,360,296.90
  5. Step 5: Solve for x
    x = 405,897,360,296.90/1,055,172.38
  6. Step 6: Final answer
    x = 384,673.98

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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.