Home / 1,534,309.12-2,118,097.92-1,189,383.04

Finding the Fourth Proportional to 1,534,309.12, 2,118,097.92 and 1,189,383.04

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Solution

The fourth proportional to 1,534,309.12, 2,118,097.92 and 1,189,383.04 is: 1,641,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,309.12 : 2,118,097.92 = 1,189,383.04 : x
  2. Step 2: Convert to fraction form
    1,534,309.12/2,118,097.92 = 1,189,383.04/x
  3. Step 3: Cross multiply
    1,534,309.12x = 2,118,097.92 × 1,189,383.04
  4. Step 4: Simplify right side
    1,534,309.12x = 2,519,229,743,107.28
  5. Step 5: Solve for x
    x = 2,519,229,743,107.28/1,534,309.12
  6. Step 6: Final answer
    x = 1,641,931.02

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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.