Home / 884,010.40-1,322,905.20-809,360.80

Finding the Fourth Proportional to 884,010.40, 1,322,905.20 and 809,360.80

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Solution

The fourth proportional to 884,010.40, 1,322,905.20 and 809,360.80 is: 1,211,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,010.40 : 1,322,905.20 = 809,360.80 : x
  2. Step 2: Convert to fraction form
    884,010.40/1,322,905.20 = 809,360.80/x
  3. Step 3: Cross multiply
    884,010.40x = 1,322,905.20 × 809,360.80
  4. Step 4: Simplify right side
    884,010.40x = 1,070,707,610,996.16
  5. Step 5: Solve for x
    x = 1,070,707,610,996.16/884,010.40
  6. Step 6: Final answer
    x = 1,211,193.46

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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.