Home / 917,739.20-1,375,264.20-822,969.20

Finding the Fourth Proportional to 917,739.20, 1,375,264.20 and 822,969.20

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Solution

The fourth proportional to 917,739.20, 1,375,264.20 and 822,969.20 is: 1,233,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,739.20 : 1,375,264.20 = 822,969.20 : x
  2. Step 2: Convert to fraction form
    917,739.20/1,375,264.20 = 822,969.20/x
  3. Step 3: Cross multiply
    917,739.20x = 1,375,264.20 × 822,969.20
  4. Step 4: Simplify right side
    917,739.20x = 1,131,800,078,462.64
  5. Step 5: Solve for x
    x = 1,131,800,078,462.64/917,739.20
  6. Step 6: Final answer
    x = 1,233,248.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.