Home / 1,320,051.97-1,980,910.92-561,892.24

Finding the Fourth Proportional to 1,320,051.97, 1,980,910.92 and 561,892.24

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Solution

The fourth proportional to 1,320,051.97, 1,980,910.92 and 561,892.24 is: 843,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,051.97 : 1,980,910.92 = 561,892.24 : x
  2. Step 2: Convert to fraction form
    1,320,051.97/1,980,910.92 = 561,892.24/x
  3. Step 3: Cross multiply
    1,320,051.97x = 1,980,910.92 × 561,892.24
  4. Step 4: Simplify right side
    1,320,051.97x = 1,113,058,474,810.44
  5. Step 5: Solve for x
    x = 1,113,058,474,810.44/1,320,051.97
  6. Step 6: Final answer
    x = 843,192.92

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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.