Home / 1,375,918.58-2,064,042-665,436.09

Finding the Fourth Proportional to 1,375,918.58, 2,064,042 and 665,436.09

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Solution

The fourth proportional to 1,375,918.58, 2,064,042 and 665,436.09 is: 998,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,918.58 : 2,064,042 = 665,436.09 : x
  2. Step 2: Convert to fraction form
    1,375,918.58/2,064,042 = 665,436.09/x
  3. Step 3: Cross multiply
    1,375,918.58x = 2,064,042 × 665,436.09
  4. Step 4: Simplify right side
    1,375,918.58x = 1,373,488,027,755.57
  5. Step 5: Solve for x
    x = 1,373,488,027,755.57/1,375,918.58
  6. Step 6: Final answer
    x = 998,233.51

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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.