Home / 1,336,081.20-2,004,121.80-338,809.20

Finding the Fourth Proportional to 1,336,081.20, 2,004,121.80 and 338,809.20

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Solution

The fourth proportional to 1,336,081.20, 2,004,121.80 and 338,809.20 is: 508,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,081.20 : 2,004,121.80 = 338,809.20 : x
  2. Step 2: Convert to fraction form
    1,336,081.20/2,004,121.80 = 338,809.20/x
  3. Step 3: Cross multiply
    1,336,081.20x = 2,004,121.80 × 338,809.20
  4. Step 4: Simplify right side
    1,336,081.20x = 679,014,903,760.56
  5. Step 5: Solve for x
    x = 679,014,903,760.56/1,336,081.20
  6. Step 6: Final answer
    x = 508,213.80

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Similar ratio
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1.5x scale

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.