Home / 1,372,060.20-1,892,839.95-827,892.48

Finding the Fourth Proportional to 1,372,060.20, 1,892,839.95 and 827,892.48

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Solution

The fourth proportional to 1,372,060.20, 1,892,839.95 and 827,892.48 is: 1,142,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,060.20 : 1,892,839.95 = 827,892.48 : x
  2. Step 2: Convert to fraction form
    1,372,060.20/1,892,839.95 = 827,892.48/x
  3. Step 3: Cross multiply
    1,372,060.20x = 1,892,839.95 × 827,892.48
  4. Step 4: Simplify right side
    1,372,060.20x = 1,567,067,960,448.58
  5. Step 5: Solve for x
    x = 1,567,067,960,448.58/1,372,060.20
  6. Step 6: Final answer
    x = 1,142,127.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.