Home / 1,208,221.56-1,666,976.42-794,640.44

Finding the Fourth Proportional to 1,208,221.56, 1,666,976.42 and 794,640.44

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Solution

The fourth proportional to 1,208,221.56, 1,666,976.42 and 794,640.44 is: 1,096,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,221.56 : 1,666,976.42 = 794,640.44 : x
  2. Step 2: Convert to fraction form
    1,208,221.56/1,666,976.42 = 794,640.44/x
  3. Step 3: Cross multiply
    1,208,221.56x = 1,666,976.42 × 794,640.44
  4. Step 4: Simplify right side
    1,208,221.56x = 1,324,646,875,858.42
  5. Step 5: Solve for x
    x = 1,324,646,875,858.42/1,208,221.56
  6. Step 6: Final answer
    x = 1,096,360.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.