Home / 1,518,472.38-2,278,277.20-788,540.70

Finding the Fourth Proportional to 1,518,472.38, 2,278,277.20 and 788,540.70

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Solution

The fourth proportional to 1,518,472.38, 2,278,277.20 and 788,540.70 is: 1,183,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,472.38 : 2,278,277.20 = 788,540.70 : x
  2. Step 2: Convert to fraction form
    1,518,472.38/2,278,277.20 = 788,540.70/x
  3. Step 3: Cross multiply
    1,518,472.38x = 2,278,277.20 × 788,540.70
  4. Step 4: Simplify right side
    1,518,472.38x = 1,796,514,298,082.04
  5. Step 5: Solve for x
    x = 1,796,514,298,082.04/1,518,472.38
  6. Step 6: Final answer
    x = 1,183,106.34

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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.