Home / 1,520,422.33-2,280,633.45-699,678.09

Finding the Fourth Proportional to 1,520,422.33, 2,280,633.45 and 699,678.09

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Solution

The fourth proportional to 1,520,422.33, 2,280,633.45 and 699,678.09 is: 1,049,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,422.33 : 2,280,633.45 = 699,678.09 : x
  2. Step 2: Convert to fraction form
    1,520,422.33/2,280,633.45 = 699,678.09/x
  3. Step 3: Cross multiply
    1,520,422.33x = 2,280,633.45 × 699,678.09
  4. Step 4: Simplify right side
    1,520,422.33x = 1,595,709,256,286.11
  5. Step 5: Solve for x
    x = 1,595,709,256,286.11/1,520,422.33
  6. Step 6: Final answer
    x = 1,049,517.11

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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.