Home / 880,523.70-1,320,785.55-821,037.30

Finding the Fourth Proportional to 880,523.70, 1,320,785.55 and 821,037.30

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Solution

The fourth proportional to 880,523.70, 1,320,785.55 and 821,037.30 is: 1,231,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,523.70 : 1,320,785.55 = 821,037.30 : x
  2. Step 2: Convert to fraction form
    880,523.70/1,320,785.55 = 821,037.30/x
  3. Step 3: Cross multiply
    880,523.70x = 1,320,785.55 × 821,037.30
  4. Step 4: Simplify right side
    880,523.70x = 1,084,414,201,851.02
  5. Step 5: Solve for x
    x = 1,084,414,201,851.02/880,523.70
  6. Step 6: Final answer
    x = 1,231,555.95

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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.