Home / 1,394,077.80-2,091,204.18-447,427.56

Finding the Fourth Proportional to 1,394,077.80, 2,091,204.18 and 447,427.56

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Solution

The fourth proportional to 1,394,077.80, 2,091,204.18 and 447,427.56 is: 671,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,077.80 : 2,091,204.18 = 447,427.56 : x
  2. Step 2: Convert to fraction form
    1,394,077.80/2,091,204.18 = 447,427.56/x
  3. Step 3: Cross multiply
    1,394,077.80x = 2,091,204.18 × 447,427.56
  4. Step 4: Simplify right side
    1,394,077.80x = 935,662,383,719.20
  5. Step 5: Solve for x
    x = 935,662,383,719.20/1,394,077.80
  6. Step 6: Final answer
    x = 671,169.42

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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.