Home / 1,236,159.12-1,854,771.54-667,427.34

Finding the Fourth Proportional to 1,236,159.12, 1,854,771.54 and 667,427.34

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Solution

The fourth proportional to 1,236,159.12, 1,854,771.54 and 667,427.34 is: 1,001,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,159.12 : 1,854,771.54 = 667,427.34 : x
  2. Step 2: Convert to fraction form
    1,236,159.12/1,854,771.54 = 667,427.34/x
  3. Step 3: Cross multiply
    1,236,159.12x = 1,854,771.54 × 667,427.34
  4. Step 4: Simplify right side
    1,236,159.12x = 1,237,925,235,249.90
  5. Step 5: Solve for x
    x = 1,237,925,235,249.90/1,236,159.12
  6. Step 6: Final answer
    x = 1,001,428.71

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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.