Home / 1,346,279.10-2,016,961.05-820,352.70

Finding the Fourth Proportional to 1,346,279.10, 2,016,961.05 and 820,352.70

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Solution

The fourth proportional to 1,346,279.10, 2,016,961.05 and 820,352.70 is: 1,229,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,279.10 : 2,016,961.05 = 820,352.70 : x
  2. Step 2: Convert to fraction form
    1,346,279.10/2,016,961.05 = 820,352.70/x
  3. Step 3: Cross multiply
    1,346,279.10x = 2,016,961.05 × 820,352.70
  4. Step 4: Simplify right side
    1,346,279.10x = 1,654,619,443,162.34
  5. Step 5: Solve for x
    x = 1,654,619,443,162.34/1,346,279.10
  6. Step 6: Final answer
    x = 1,229,031.52

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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.