Home / 1,294,870.20-1,942,233.66-396,311.28

Finding the Fourth Proportional to 1,294,870.20, 1,942,233.66 and 396,311.28

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Solution

The fourth proportional to 1,294,870.20, 1,942,233.66 and 396,311.28 is: 594,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,870.20 : 1,942,233.66 = 396,311.28 : x
  2. Step 2: Convert to fraction form
    1,294,870.20/1,942,233.66 = 396,311.28/x
  3. Step 3: Cross multiply
    1,294,870.20x = 1,942,233.66 × 396,311.28
  4. Step 4: Simplify right side
    1,294,870.20x = 769,729,107,853.69
  5. Step 5: Solve for x
    x = 769,729,107,853.69/1,294,870.20
  6. Step 6: Final answer
    x = 594,444.99

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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.