Home / 1,346,265.10-2,016,940.05-820,338.70

Finding the Fourth Proportional to 1,346,265.10, 2,016,940.05 and 820,338.70

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Solution

The fourth proportional to 1,346,265.10, 2,016,940.05 and 820,338.70 is: 1,229,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,265.10 : 2,016,940.05 = 820,338.70 : x
  2. Step 2: Convert to fraction form
    1,346,265.10/2,016,940.05 = 820,338.70/x
  3. Step 3: Cross multiply
    1,346,265.10x = 2,016,940.05 × 820,338.70
  4. Step 4: Simplify right side
    1,346,265.10x = 1,654,573,978,594.94
  5. Step 5: Solve for x
    x = 1,654,573,978,594.94/1,346,265.10
  6. Step 6: Final answer
    x = 1,229,010.53

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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.