Home / 1,261,608.64-1,892,321.44-492,961.85

Finding the Fourth Proportional to 1,261,608.64, 1,892,321.44 and 492,961.85

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Solution

The fourth proportional to 1,261,608.64, 1,892,321.44 and 492,961.85 is: 739,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,608.64 : 1,892,321.44 = 492,961.85 : x
  2. Step 2: Convert to fraction form
    1,261,608.64/1,892,321.44 = 492,961.85/x
  3. Step 3: Cross multiply
    1,261,608.64x = 1,892,321.44 × 492,961.85
  4. Step 4: Simplify right side
    1,261,608.64x = 932,842,277,857.06
  5. Step 5: Solve for x
    x = 932,842,277,857.06/1,261,608.64
  6. Step 6: Final answer
    x = 739,407.01

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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.