Home / 1,485,116.20-2,049,447.78-806,038.12

Finding the Fourth Proportional to 1,485,116.20, 2,049,447.78 and 806,038.12

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Solution

The fourth proportional to 1,485,116.20, 2,049,447.78 and 806,038.12 is: 1,112,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,116.20 : 2,049,447.78 = 806,038.12 : x
  2. Step 2: Convert to fraction form
    1,485,116.20/2,049,447.78 = 806,038.12/x
  3. Step 3: Cross multiply
    1,485,116.20x = 2,049,447.78 × 806,038.12
  4. Step 4: Simplify right side
    1,485,116.20x = 1,651,933,035,629.37
  5. Step 5: Solve for x
    x = 1,651,933,035,629.37/1,485,116.20
  6. Step 6: Final answer
    x = 1,112,325.78

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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.