Home / 1,239,500.92-1,859,241.66-818,676.76

Finding the Fourth Proportional to 1,239,500.92, 1,859,241.66 and 818,676.76

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Solution

The fourth proportional to 1,239,500.92, 1,859,241.66 and 818,676.76 is: 1,228,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,500.92 : 1,859,241.66 = 818,676.76 : x
  2. Step 2: Convert to fraction form
    1,239,500.92/1,859,241.66 = 818,676.76/x
  3. Step 3: Cross multiply
    1,239,500.92x = 1,859,241.66 × 818,676.76
  4. Step 4: Simplify right side
    1,239,500.92x = 1,522,117,938,265.82
  5. Step 5: Solve for x
    x = 1,522,117,938,265.82/1,239,500.92
  6. Step 6: Final answer
    x = 1,228,008.72

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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.