Home / 1,180,917.56-1,629,797.38-664,687.16

Finding the Fourth Proportional to 1,180,917.56, 1,629,797.38 and 664,687.16

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Solution

The fourth proportional to 1,180,917.56, 1,629,797.38 and 664,687.16 is: 917,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,917.56 : 1,629,797.38 = 664,687.16 : x
  2. Step 2: Convert to fraction form
    1,180,917.56/1,629,797.38 = 664,687.16/x
  3. Step 3: Cross multiply
    1,180,917.56x = 1,629,797.38 × 664,687.16
  4. Step 4: Simplify right side
    1,180,917.56x = 1,083,305,391,887.64
  5. Step 5: Solve for x
    x = 1,083,305,391,887.64/1,180,917.56
  6. Step 6: Final answer
    x = 917,342.10

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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.