Home / 1,372,142.30-2,058,026.64-361,179.62

Finding the Fourth Proportional to 1,372,142.30, 2,058,026.64 and 361,179.62

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Solution

The fourth proportional to 1,372,142.30, 2,058,026.64 and 361,179.62 is: 541,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,142.30 : 2,058,026.64 = 361,179.62 : x
  2. Step 2: Convert to fraction form
    1,372,142.30/2,058,026.64 = 361,179.62/x
  3. Step 3: Cross multiply
    1,372,142.30x = 2,058,026.64 × 361,179.62
  4. Step 4: Simplify right side
    1,372,142.30x = 743,317,279,785.08
  5. Step 5: Solve for x
    x = 743,317,279,785.08/1,372,142.30
  6. Step 6: Final answer
    x = 541,720.26

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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.