Home / 1,207,960.38-1,666,942.83-664,092.22

Finding the Fourth Proportional to 1,207,960.38, 1,666,942.83 and 664,092.22

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Solution

The fourth proportional to 1,207,960.38, 1,666,942.83 and 664,092.22 is: 916,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,960.38 : 1,666,942.83 = 664,092.22 : x
  2. Step 2: Convert to fraction form
    1,207,960.38/1,666,942.83 = 664,092.22/x
  3. Step 3: Cross multiply
    1,207,960.38x = 1,666,942.83 × 664,092.22
  4. Step 4: Simplify right side
    1,207,960.38x = 1,107,003,764,587.78
  5. Step 5: Solve for x
    x = 1,107,003,764,587.78/1,207,960.38
  6. Step 6: Final answer
    x = 916,423.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.