Home / 1,372,138.48-2,058,020.88-361,175.78

Finding the Fourth Proportional to 1,372,138.48, 2,058,020.88 and 361,175.78

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Solution

The fourth proportional to 1,372,138.48, 2,058,020.88 and 361,175.78 is: 541,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,138.48 : 2,058,020.88 = 361,175.78 : x
  2. Step 2: Convert to fraction form
    1,372,138.48/2,058,020.88 = 361,175.78/x
  3. Step 3: Cross multiply
    1,372,138.48x = 2,058,020.88 × 361,175.78
  4. Step 4: Simplify right side
    1,372,138.48x = 743,307,290,836.18
  5. Step 5: Solve for x
    x = 743,307,290,836.18/1,372,138.48
  6. Step 6: Final answer
    x = 541,714.49

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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.