Home / 1,089,894.24-1,504,262.20-721,722.44

Finding the Fourth Proportional to 1,089,894.24, 1,504,262.20 and 721,722.44

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Solution

The fourth proportional to 1,089,894.24, 1,504,262.20 and 721,722.44 is: 996,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,894.24 : 1,504,262.20 = 721,722.44 : x
  2. Step 2: Convert to fraction form
    1,089,894.24/1,504,262.20 = 721,722.44/x
  3. Step 3: Cross multiply
    1,089,894.24x = 1,504,262.20 × 721,722.44
  4. Step 4: Simplify right side
    1,089,894.24x = 1,085,659,785,383.77
  5. Step 5: Solve for x
    x = 1,085,659,785,383.77/1,089,894.24
  6. Step 6: Final answer
    x = 996,114.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.