Home / 1,419,844.64-2,129,766.96-422,572.64

Finding the Fourth Proportional to 1,419,844.64, 2,129,766.96 and 422,572.64

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Solution

The fourth proportional to 1,419,844.64, 2,129,766.96 and 422,572.64 is: 633,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,844.64 : 2,129,766.96 = 422,572.64 : x
  2. Step 2: Convert to fraction form
    1,419,844.64/2,129,766.96 = 422,572.64/x
  3. Step 3: Cross multiply
    1,419,844.64x = 2,129,766.96 × 422,572.64
  4. Step 4: Simplify right side
    1,419,844.64x = 899,981,248,599.24
  5. Step 5: Solve for x
    x = 899,981,248,599.24/1,419,844.64
  6. Step 6: Final answer
    x = 633,858.96

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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.