Home / 1,512,048.30-2,268,072.45-1,228,613.10

Finding the Fourth Proportional to 1,512,048.30, 2,268,072.45 and 1,228,613.10

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Solution

The fourth proportional to 1,512,048.30, 2,268,072.45 and 1,228,613.10 is: 1,842,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,048.30 : 2,268,072.45 = 1,228,613.10 : x
  2. Step 2: Convert to fraction form
    1,512,048.30/2,268,072.45 = 1,228,613.10/x
  3. Step 3: Cross multiply
    1,512,048.30x = 2,268,072.45 × 1,228,613.10
  4. Step 4: Simplify right side
    1,512,048.30x = 2,786,583,523,819.10
  5. Step 5: Solve for x
    x = 2,786,583,523,819.10/1,512,048.30
  6. Step 6: Final answer
    x = 1,842,919.65

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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.