Home / 1,399,609.80-2,099,747.82-452,980.52

Finding the Fourth Proportional to 1,399,609.80, 2,099,747.82 and 452,980.52

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Solution

The fourth proportional to 1,399,609.80, 2,099,747.82 and 452,980.52 is: 679,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,609.80 : 2,099,747.82 = 452,980.52 : x
  2. Step 2: Convert to fraction form
    1,399,609.80/2,099,747.82 = 452,980.52/x
  3. Step 3: Cross multiply
    1,399,609.80x = 2,099,747.82 × 452,980.52
  4. Step 4: Simplify right side
    1,399,609.80x = 951,144,859,372.47
  5. Step 5: Solve for x
    x = 951,144,859,372.47/1,399,609.80
  6. Step 6: Final answer
    x = 679,578.59

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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.