Home / 1,336,131.20-2,004,196.80-338,859.20

Finding the Fourth Proportional to 1,336,131.20, 2,004,196.80 and 338,859.20

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Solution

The fourth proportional to 1,336,131.20, 2,004,196.80 and 338,859.20 is: 508,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,131.20 : 2,004,196.80 = 338,859.20 : x
  2. Step 2: Convert to fraction form
    1,336,131.20/2,004,196.80 = 338,859.20/x
  3. Step 3: Cross multiply
    1,336,131.20x = 2,004,196.80 × 338,859.20
  4. Step 4: Simplify right side
    1,336,131.20x = 679,140,524,290.56
  5. Step 5: Solve for x
    x = 679,140,524,290.56/1,336,131.20
  6. Step 6: Final answer
    x = 508,288.80

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Double scale
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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.