Home / 1,436,723.80-1,982,915.04-864,079.72

Finding the Fourth Proportional to 1,436,723.80, 1,982,915.04 and 864,079.72

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Solution

The fourth proportional to 1,436,723.80, 1,982,915.04 and 864,079.72 is: 1,192,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,723.80 : 1,982,915.04 = 864,079.72 : x
  2. Step 2: Convert to fraction form
    1,436,723.80/1,982,915.04 = 864,079.72/x
  3. Step 3: Cross multiply
    1,436,723.80x = 1,982,915.04 × 864,079.72
  4. Step 4: Simplify right side
    1,436,723.80x = 1,713,396,672,546.99
  5. Step 5: Solve for x
    x = 1,713,396,672,546.99/1,436,723.80
  6. Step 6: Final answer
    x = 1,192,572.07

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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.