Home / 1,215,895.24-1,823,949.78-317,329.84

Finding the Fourth Proportional to 1,215,895.24, 1,823,949.78 and 317,329.84

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Solution

The fourth proportional to 1,215,895.24, 1,823,949.78 and 317,329.84 is: 476,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,895.24 : 1,823,949.78 = 317,329.84 : x
  2. Step 2: Convert to fraction form
    1,215,895.24/1,823,949.78 = 317,329.84/x
  3. Step 3: Cross multiply
    1,215,895.24x = 1,823,949.78 × 317,329.84
  4. Step 4: Simplify right side
    1,215,895.24x = 578,793,691,855.44
  5. Step 5: Solve for x
    x = 578,793,691,855.44/1,215,895.24
  6. Step 6: Final answer
    x = 476,022.66

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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.