Home / 1,203,488.38-1,660,996.88-768,093.59

Finding the Fourth Proportional to 1,203,488.38, 1,660,996.88 and 768,093.59

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Solution

The fourth proportional to 1,203,488.38, 1,660,996.88 and 768,093.59 is: 1,060,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,488.38 : 1,660,996.88 = 768,093.59 : x
  2. Step 2: Convert to fraction form
    1,203,488.38/1,660,996.88 = 768,093.59/x
  3. Step 3: Cross multiply
    1,203,488.38x = 1,660,996.88 × 768,093.59
  4. Step 4: Simplify right side
    1,203,488.38x = 1,275,801,050,153.25
  5. Step 5: Solve for x
    x = 1,275,801,050,153.25/1,203,488.38
  6. Step 6: Final answer
    x = 1,060,085.89

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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.