Home / 814,989.80-1,222,484.70-752,004.20

Finding the Fourth Proportional to 814,989.80, 1,222,484.70 and 752,004.20

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Solution

The fourth proportional to 814,989.80, 1,222,484.70 and 752,004.20 is: 1,128,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,989.80 : 1,222,484.70 = 752,004.20 : x
  2. Step 2: Convert to fraction form
    814,989.80/1,222,484.70 = 752,004.20/x
  3. Step 3: Cross multiply
    814,989.80x = 1,222,484.70 × 752,004.20
  4. Step 4: Simplify right side
    814,989.80x = 919,313,628,835.74
  5. Step 5: Solve for x
    x = 919,313,628,835.74/814,989.80
  6. Step 6: Final answer
    x = 1,128,006.30

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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.