Home / 1,231,645.30-1,844,357.55-808,630.90

Finding the Fourth Proportional to 1,231,645.30, 1,844,357.55 and 808,630.90

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Solution

The fourth proportional to 1,231,645.30, 1,844,357.55 and 808,630.90 is: 1,210,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,645.30 : 1,844,357.55 = 808,630.90 : x
  2. Step 2: Convert to fraction form
    1,231,645.30/1,844,357.55 = 808,630.90/x
  3. Step 3: Cross multiply
    1,231,645.30x = 1,844,357.55 × 808,630.90
  4. Step 4: Simplify right side
    1,231,645.30x = 1,491,404,505,578.30
  5. Step 5: Solve for x
    x = 1,491,404,505,578.30/1,231,645.30
  6. Step 6: Final answer
    x = 1,210,904.23

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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.