Home / 1,796,311.56-2,694,505.63-643,633.42

Finding the Fourth Proportional to 1,796,311.56, 2,694,505.63 and 643,633.42

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Solution

The fourth proportional to 1,796,311.56, 2,694,505.63 and 643,633.42 is: 965,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,311.56 : 2,694,505.63 = 643,633.42 : x
  2. Step 2: Convert to fraction form
    1,796,311.56/2,694,505.63 = 643,633.42/x
  3. Step 3: Cross multiply
    1,796,311.56x = 2,694,505.63 × 643,633.42
  4. Step 4: Simplify right side
    1,796,311.56x = 1,734,273,862,371.30
  5. Step 5: Solve for x
    x = 1,734,273,862,371.30/1,796,311.56
  6. Step 6: Final answer
    x = 965,463.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.