Home / 1,236,043.30-1,854,753.84-667,412.38

Finding the Fourth Proportional to 1,236,043.30, 1,854,753.84 and 667,412.38

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Solution

The fourth proportional to 1,236,043.30, 1,854,753.84 and 667,412.38 is: 1,001,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,043.30 : 1,854,753.84 = 667,412.38 : x
  2. Step 2: Convert to fraction form
    1,236,043.30/1,854,753.84 = 667,412.38/x
  3. Step 3: Cross multiply
    1,236,043.30x = 1,854,753.84 × 667,412.38
  4. Step 4: Simplify right side
    1,236,043.30x = 1,237,885,674,668.54
  5. Step 5: Solve for x
    x = 1,237,885,674,668.54/1,236,043.30
  6. Step 6: Final answer
    x = 1,001,490.54

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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.