Home / 1,215,930.42-1,823,895.61-317,364.30

Finding the Fourth Proportional to 1,215,930.42, 1,823,895.61 and 317,364.30

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Solution

The fourth proportional to 1,215,930.42, 1,823,895.61 and 317,364.30 is: 476,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,930.42 : 1,823,895.61 = 317,364.30 : x
  2. Step 2: Convert to fraction form
    1,215,930.42/1,823,895.61 = 317,364.30/x
  3. Step 3: Cross multiply
    1,215,930.42x = 1,823,895.61 × 317,364.30
  4. Step 4: Simplify right side
    1,215,930.42x = 578,839,352,747.31
  5. Step 5: Solve for x
    x = 578,839,352,747.31/1,215,930.42
  6. Step 6: Final answer
    x = 476,046.44

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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.