Home / 1,394,190.90-2,091,286.35-1,039,896.90

Finding the Fourth Proportional to 1,394,190.90, 2,091,286.35 and 1,039,896.90

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Solution

The fourth proportional to 1,394,190.90, 2,091,286.35 and 1,039,896.90 is: 1,559,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,190.90 : 2,091,286.35 = 1,039,896.90 : x
  2. Step 2: Convert to fraction form
    1,394,190.90/2,091,286.35 = 1,039,896.90/x
  3. Step 3: Cross multiply
    1,394,190.90x = 2,091,286.35 × 1,039,896.90
  4. Step 4: Simplify right side
    1,394,190.90x = 2,174,722,192,377.32
  5. Step 5: Solve for x
    x = 2,174,722,192,377.32/1,394,190.90
  6. Step 6: Final answer
    x = 1,559,845.35

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Similar ratio
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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.