Home / 1,485,120.60-2,049,468.42-806,056.92

Finding the Fourth Proportional to 1,485,120.60, 2,049,468.42 and 806,056.92

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Solution

The fourth proportional to 1,485,120.60, 2,049,468.42 and 806,056.92 is: 1,112,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,120.60 : 2,049,468.42 = 806,056.92 : x
  2. Step 2: Convert to fraction form
    1,485,120.60/2,049,468.42 = 806,056.92/x
  3. Step 3: Cross multiply
    1,485,120.60x = 2,049,468.42 × 806,056.92
  4. Step 4: Simplify right side
    1,485,120.60x = 1,651,988,202,262.47
  5. Step 5: Solve for x
    x = 1,651,988,202,262.47/1,485,120.60
  6. Step 6: Final answer
    x = 1,112,359.63

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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.