Home / 1,394,889.30-2,091,815.55-553,266.90

Finding the Fourth Proportional to 1,394,889.30, 2,091,815.55 and 553,266.90

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Solution

The fourth proportional to 1,394,889.30, 2,091,815.55 and 553,266.90 is: 829,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,889.30 : 2,091,815.55 = 553,266.90 : x
  2. Step 2: Convert to fraction form
    1,394,889.30/2,091,815.55 = 553,266.90/x
  3. Step 3: Cross multiply
    1,394,889.30x = 2,091,815.55 × 553,266.90
  4. Step 4: Simplify right side
    1,394,889.30x = 1,157,332,304,720.30
  5. Step 5: Solve for x
    x = 1,157,332,304,720.30/1,394,889.30
  6. Step 6: Final answer
    x = 829,694.73

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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.