Home / 1,608,964.20-2,414,332.80-978,320.88

Finding the Fourth Proportional to 1,608,964.20, 2,414,332.80 and 978,320.88

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Solution

The fourth proportional to 1,608,964.20, 2,414,332.80 and 978,320.88 is: 1,468,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,964.20 : 2,414,332.80 = 978,320.88 : x
  2. Step 2: Convert to fraction form
    1,608,964.20/2,414,332.80 = 978,320.88/x
  3. Step 3: Cross multiply
    1,608,964.20x = 2,414,332.80 × 978,320.88
  4. Step 4: Simplify right side
    1,608,964.20x = 2,361,992,189,508.86
  5. Step 5: Solve for x
    x = 2,361,992,189,508.86/1,608,964.20
  6. Step 6: Final answer
    x = 1,468,020.35

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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.