Home / 1,338,965.28-2,008,446.24-341,693.28

Finding the Fourth Proportional to 1,338,965.28, 2,008,446.24 and 341,693.28

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Solution

The fourth proportional to 1,338,965.28, 2,008,446.24 and 341,693.28 is: 512,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,965.28 : 2,008,446.24 = 341,693.28 : x
  2. Step 2: Convert to fraction form
    1,338,965.28/2,008,446.24 = 341,693.28/x
  3. Step 3: Cross multiply
    1,338,965.28x = 2,008,446.24 × 341,693.28
  4. Step 4: Simplify right side
    1,338,965.28x = 686,272,583,449.27
  5. Step 5: Solve for x
    x = 686,272,583,449.27/1,338,965.28
  6. Step 6: Final answer
    x = 512,539.49

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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.