Home / 1,090,458.56-1,635,593.88-663,883.94

Finding the Fourth Proportional to 1,090,458.56, 1,635,593.88 and 663,883.94

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Solution

The fourth proportional to 1,090,458.56, 1,635,593.88 and 663,883.94 is: 995,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,458.56 : 1,635,593.88 = 663,883.94 : x
  2. Step 2: Convert to fraction form
    1,090,458.56/1,635,593.88 = 663,883.94/x
  3. Step 3: Cross multiply
    1,090,458.56x = 1,635,593.88 × 663,883.94
  4. Step 4: Simplify right side
    1,090,458.56x = 1,085,844,509,294.29
  5. Step 5: Solve for x
    x = 1,085,844,509,294.29/1,090,458.56
  6. Step 6: Final answer
    x = 995,768.71

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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.