Home / 1,107,007.30-1,660,802.55-396,961.30

Finding the Fourth Proportional to 1,107,007.30, 1,660,802.55 and 396,961.30

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Solution

The fourth proportional to 1,107,007.30, 1,660,802.55 and 396,961.30 is: 595,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,007.30 : 1,660,802.55 = 396,961.30 : x
  2. Step 2: Convert to fraction form
    1,107,007.30/1,660,802.55 = 396,961.30/x
  3. Step 3: Cross multiply
    1,107,007.30x = 1,660,802.55 × 396,961.30
  4. Step 4: Simplify right side
    1,107,007.30x = 659,274,339,291.32
  5. Step 5: Solve for x
    x = 659,274,339,291.32/1,107,007.30
  6. Step 6: Final answer
    x = 595,546.51

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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.