Home / 1,796,320.82-2,694,519.36-643,642.43

Finding the Fourth Proportional to 1,796,320.82, 2,694,519.36 and 643,642.43

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Solution

The fourth proportional to 1,796,320.82, 2,694,519.36 and 643,642.43 is: 965,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,320.82 : 2,694,519.36 = 643,642.43 : x
  2. Step 2: Convert to fraction form
    1,796,320.82/2,694,519.36 = 643,642.43/x
  3. Step 3: Cross multiply
    1,796,320.82x = 2,694,519.36 × 643,642.43
  4. Step 4: Simplify right side
    1,796,320.82x = 1,734,306,975,079.85
  5. Step 5: Solve for x
    x = 1,734,306,975,079.85/1,796,320.82
  6. Step 6: Final answer
    x = 965,477.30

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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.