Home / 1,245,057.67-1,866,256.08-888,992.20

Finding the Fourth Proportional to 1,245,057.67, 1,866,256.08 and 888,992.20

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Solution

The fourth proportional to 1,245,057.67, 1,866,256.08 and 888,992.20 is: 1,332,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,057.67 : 1,866,256.08 = 888,992.20 : x
  2. Step 2: Convert to fraction form
    1,245,057.67/1,866,256.08 = 888,992.20/x
  3. Step 3: Cross multiply
    1,245,057.67x = 1,866,256.08 × 888,992.20
  4. Step 4: Simplify right side
    1,245,057.67x = 1,659,087,098,322.58
  5. Step 5: Solve for x
    x = 1,659,087,098,322.58/1,245,057.67
  6. Step 6: Final answer
    x = 1,332,538.35

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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.