Home / 1,087,674.20-1,630,863.30-667,251.80

Finding the Fourth Proportional to 1,087,674.20, 1,630,863.30 and 667,251.80

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Solution

The fourth proportional to 1,087,674.20, 1,630,863.30 and 667,251.80 is: 1,000,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,674.20 : 1,630,863.30 = 667,251.80 : x
  2. Step 2: Convert to fraction form
    1,087,674.20/1,630,863.30 = 667,251.80/x
  3. Step 3: Cross multiply
    1,087,674.20x = 1,630,863.30 × 667,251.80
  4. Step 4: Simplify right side
    1,087,674.20x = 1,088,196,472,478.94
  5. Step 5: Solve for x
    x = 1,088,196,472,478.94/1,087,674.20
  6. Step 6: Final answer
    x = 1,000,480.17

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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.