Home / 807,921.20-1,210,132.20-702,945.20

Finding the Fourth Proportional to 807,921.20, 1,210,132.20 and 702,945.20

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Solution

The fourth proportional to 807,921.20, 1,210,132.20 and 702,945.20 is: 1,052,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,921.20 : 1,210,132.20 = 702,945.20 : x
  2. Step 2: Convert to fraction form
    807,921.20/1,210,132.20 = 702,945.20/x
  3. Step 3: Cross multiply
    807,921.20x = 1,210,132.20 × 702,945.20
  4. Step 4: Simplify right side
    807,921.20x = 850,656,621,355.44
  5. Step 5: Solve for x
    x = 850,656,621,355.44/807,921.20
  6. Step 6: Final answer
    x = 1,052,895.53

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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.