Home / 1,243,855.29-1,865,793.33-345,367.11

Finding the Fourth Proportional to 1,243,855.29, 1,865,793.33 and 345,367.11

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Solution

The fourth proportional to 1,243,855.29, 1,865,793.33 and 345,367.11 is: 518,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,855.29 : 1,865,793.33 = 345,367.11 : x
  2. Step 2: Convert to fraction form
    1,243,855.29/1,865,793.33 = 345,367.11/x
  3. Step 3: Cross multiply
    1,243,855.29x = 1,865,793.33 × 345,367.11
  4. Step 4: Simplify right side
    1,243,855.29x = 644,383,650,239.38
  5. Step 5: Solve for x
    x = 644,383,650,239.38/1,243,855.29
  6. Step 6: Final answer
    x = 518,053.55

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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.