Home / 1,876,780.69-2,815,144.74-739,552.78

Finding the Fourth Proportional to 1,876,780.69, 2,815,144.74 and 739,552.78

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Solution

The fourth proportional to 1,876,780.69, 2,815,144.74 and 739,552.78 is: 1,109,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,780.69 : 2,815,144.74 = 739,552.78 : x
  2. Step 2: Convert to fraction form
    1,876,780.69/2,815,144.74 = 739,552.78/x
  3. Step 3: Cross multiply
    1,876,780.69x = 2,815,144.74 × 739,552.78
  4. Step 4: Simplify right side
    1,876,780.69x = 2,081,948,118,569.38
  5. Step 5: Solve for x
    x = 2,081,948,118,569.38/1,876,780.69
  6. Step 6: Final answer
    x = 1,109,318.81

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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.