Home / 884,723.20-1,325,335.20-821,737.60

Finding the Fourth Proportional to 884,723.20, 1,325,335.20 and 821,737.60

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Solution

The fourth proportional to 884,723.20, 1,325,335.20 and 821,737.60 is: 1,230,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,723.20 : 1,325,335.20 = 821,737.60 : x
  2. Step 2: Convert to fraction form
    884,723.20/1,325,335.20 = 821,737.60/x
  3. Step 3: Cross multiply
    884,723.20x = 1,325,335.20 × 821,737.60
  4. Step 4: Simplify right side
    884,723.20x = 1,089,077,766,443.52
  5. Step 5: Solve for x
    x = 1,089,077,766,443.52/884,723.20
  6. Step 6: Final answer
    x = 1,230,981.36

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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.