Home / 1,352,023.10-2,028,034.65-820,144.70

Finding the Fourth Proportional to 1,352,023.10, 2,028,034.65 and 820,144.70

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Solution

The fourth proportional to 1,352,023.10, 2,028,034.65 and 820,144.70 is: 1,230,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,023.10 : 2,028,034.65 = 820,144.70 : x
  2. Step 2: Convert to fraction form
    1,352,023.10/2,028,034.65 = 820,144.70/x
  3. Step 3: Cross multiply
    1,352,023.10x = 2,028,034.65 × 820,144.70
  4. Step 4: Simplify right side
    1,352,023.10x = 1,663,281,869,613.85
  5. Step 5: Solve for x
    x = 1,663,281,869,613.85/1,352,023.10
  6. Step 6: Final answer
    x = 1,230,217.05

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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.