Home / 1,485,343.92-2,049,772.86-806,280.42

Finding the Fourth Proportional to 1,485,343.92, 2,049,772.86 and 806,280.42

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Solution

The fourth proportional to 1,485,343.92, 2,049,772.86 and 806,280.42 is: 1,112,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,343.92 : 2,049,772.86 = 806,280.42 : x
  2. Step 2: Convert to fraction form
    1,485,343.92/2,049,772.86 = 806,280.42/x
  3. Step 3: Cross multiply
    1,485,343.92x = 2,049,772.86 × 806,280.42
  4. Step 4: Simplify right side
    1,485,343.92x = 1,652,691,722,465.40
  5. Step 5: Solve for x
    x = 1,652,691,722,465.40/1,485,343.92
  6. Step 6: Final answer
    x = 1,112,666.03

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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.