Home / 1,485,478.44-2,049,960.15-806,414.94

Finding the Fourth Proportional to 1,485,478.44, 2,049,960.15 and 806,414.94

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Solution

The fourth proportional to 1,485,478.44, 2,049,960.15 and 806,414.94 is: 1,112,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,478.44 : 2,049,960.15 = 806,414.94 : x
  2. Step 2: Convert to fraction form
    1,485,478.44/2,049,960.15 = 806,414.94/x
  3. Step 3: Cross multiply
    1,485,478.44x = 2,049,960.15 × 806,414.94
  4. Step 4: Simplify right side
    1,485,478.44x = 1,653,118,491,364.64
  5. Step 5: Solve for x
    x = 1,653,118,491,364.64/1,485,478.44
  6. Step 6: Final answer
    x = 1,112,852.56

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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.