Home / 1,203,640.29-1,661,193.54-744,902.64

Finding the Fourth Proportional to 1,203,640.29, 1,661,193.54 and 744,902.64

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Solution

The fourth proportional to 1,203,640.29, 1,661,193.54 and 744,902.64 is: 1,028,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,640.29 : 1,661,193.54 = 744,902.64 : x
  2. Step 2: Convert to fraction form
    1,203,640.29/1,661,193.54 = 744,902.64/x
  3. Step 3: Cross multiply
    1,203,640.29x = 1,661,193.54 × 744,902.64
  4. Step 4: Simplify right side
    1,203,640.29x = 1,237,427,453,496.95
  5. Step 5: Solve for x
    x = 1,237,427,453,496.95/1,203,640.29
  6. Step 6: Final answer
    x = 1,028,070.81

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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.