Home / 902,086.38-1,351,690.22-661,083.44

Finding the Fourth Proportional to 902,086.38, 1,351,690.22 and 661,083.44

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Solution

The fourth proportional to 902,086.38, 1,351,690.22 and 661,083.44 is: 990,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,086.38 : 1,351,690.22 = 661,083.44 : x
  2. Step 2: Convert to fraction form
    902,086.38/1,351,690.22 = 661,083.44/x
  3. Step 3: Cross multiply
    902,086.38x = 1,351,690.22 × 661,083.44
  4. Step 4: Simplify right side
    902,086.38x = 893,580,015,346.21
  5. Step 5: Solve for x
    x = 893,580,015,346.21/902,086.38
  6. Step 6: Final answer
    x = 990,570.34

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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.