Home / 1,320,052.97-1,980,912.42-561,893.24

Finding the Fourth Proportional to 1,320,052.97, 1,980,912.42 and 561,893.24

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Solution

The fourth proportional to 1,320,052.97, 1,980,912.42 and 561,893.24 is: 843,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,052.97 : 1,980,912.42 = 561,893.24 : x
  2. Step 2: Convert to fraction form
    1,320,052.97/1,980,912.42 = 561,893.24/x
  3. Step 3: Cross multiply
    1,320,052.97x = 1,980,912.42 × 561,893.24
  4. Step 4: Simplify right side
    1,320,052.97x = 1,113,061,297,830.04
  5. Step 5: Solve for x
    x = 1,113,061,297,830.04/1,320,052.97
  6. Step 6: Final answer
    x = 843,194.42

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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.