Home / 1,394,219.70-2,091,286.35-396,947.70

Finding the Fourth Proportional to 1,394,219.70, 2,091,286.35 and 396,947.70

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Solution

The fourth proportional to 1,394,219.70, 2,091,286.35 and 396,947.70 is: 595,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,219.70 : 2,091,286.35 = 396,947.70 : x
  2. Step 2: Convert to fraction form
    1,394,219.70/2,091,286.35 = 396,947.70/x
  3. Step 3: Cross multiply
    1,394,219.70x = 2,091,286.35 × 396,947.70
  4. Step 4: Simplify right side
    1,394,219.70x = 830,131,306,673.90
  5. Step 5: Solve for x
    x = 830,131,306,673.90/1,394,219.70
  6. Step 6: Final answer
    x = 595,409.25

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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.