Home / 809,627.40-1,214,441.10-797,817.60

Finding the Fourth Proportional to 809,627.40, 1,214,441.10 and 797,817.60

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Solution

The fourth proportional to 809,627.40, 1,214,441.10 and 797,817.60 is: 1,196,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,627.40 : 1,214,441.10 = 797,817.60 : x
  2. Step 2: Convert to fraction form
    809,627.40/1,214,441.10 = 797,817.60/x
  3. Step 3: Cross multiply
    809,627.40x = 1,214,441.10 × 797,817.60
  4. Step 4: Simplify right side
    809,627.40x = 968,902,483,743.36
  5. Step 5: Solve for x
    x = 968,902,483,743.36/809,627.40
  6. Step 6: Final answer
    x = 1,196,726.40

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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.