Home / 1,179,860.38-1,766,706.69-1,107,945.06

Finding the Fourth Proportional to 1,179,860.38, 1,766,706.69 and 1,107,945.06

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Solution

The fourth proportional to 1,179,860.38, 1,766,706.69 and 1,107,945.06 is: 1,659,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,860.38 : 1,766,706.69 = 1,107,945.06 : x
  2. Step 2: Convert to fraction form
    1,179,860.38/1,766,706.69 = 1,107,945.06/x
  3. Step 3: Cross multiply
    1,179,860.38x = 1,766,706.69 × 1,107,945.06
  4. Step 4: Simplify right side
    1,179,860.38x = 1,957,413,952,152.96
  5. Step 5: Solve for x
    x = 1,957,413,952,152.96/1,179,860.38
  6. Step 6: Final answer
    x = 1,659,021.69

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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.