Home / 1,485,399.36-2,049,861.62-806,335.86

Finding the Fourth Proportional to 1,485,399.36, 2,049,861.62 and 806,335.86

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Solution

The fourth proportional to 1,485,399.36, 2,049,861.62 and 806,335.86 is: 1,112,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,399.36 : 2,049,861.62 = 806,335.86 : x
  2. Step 2: Convert to fraction form
    1,485,399.36/2,049,861.62 = 806,335.86/x
  3. Step 3: Cross multiply
    1,485,399.36x = 2,049,861.62 × 806,335.86
  4. Step 4: Simplify right side
    1,485,399.36x = 1,652,876,932,243.69
  5. Step 5: Solve for x
    x = 1,652,876,932,243.69/1,485,399.36
  6. Step 6: Final answer
    x = 1,112,749.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.