Home / 1,236,077.25-1,854,648.70-667,345.42

Finding the Fourth Proportional to 1,236,077.25, 1,854,648.70 and 667,345.42

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Solution

The fourth proportional to 1,236,077.25, 1,854,648.70 and 667,345.42 is: 1,001,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,077.25 : 1,854,648.70 = 667,345.42 : x
  2. Step 2: Convert to fraction form
    1,236,077.25/1,854,648.70 = 667,345.42/x
  3. Step 3: Cross multiply
    1,236,077.25x = 1,854,648.70 × 667,345.42
  4. Step 4: Simplify right side
    1,236,077.25x = 1,237,691,315,653.95
  5. Step 5: Solve for x
    x = 1,237,691,315,653.95/1,236,077.25
  6. Step 6: Final answer
    x = 1,001,305.80

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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.