Home / 1,324,832.80-1,988,567.60-615,021.60

Finding the Fourth Proportional to 1,324,832.80, 1,988,567.60 and 615,021.60

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Solution

The fourth proportional to 1,324,832.80, 1,988,567.60 and 615,021.60 is: 923,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,832.80 : 1,988,567.60 = 615,021.60 : x
  2. Step 2: Convert to fraction form
    1,324,832.80/1,988,567.60 = 615,021.60/x
  3. Step 3: Cross multiply
    1,324,832.80x = 1,988,567.60 × 615,021.60
  4. Step 4: Simplify right side
    1,324,832.80x = 1,223,012,027,060.16
  5. Step 5: Solve for x
    x = 1,223,012,027,060.16/1,324,832.80
  6. Step 6: Final answer
    x = 923,144.44

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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.