Home / 987,612.82-1,481,311.54-669,806.18

Finding the Fourth Proportional to 987,612.82, 1,481,311.54 and 669,806.18

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Solution

The fourth proportional to 987,612.82, 1,481,311.54 and 669,806.18 is: 1,004,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,612.82 : 1,481,311.54 = 669,806.18 : x
  2. Step 2: Convert to fraction form
    987,612.82/1,481,311.54 = 669,806.18/x
  3. Step 3: Cross multiply
    987,612.82x = 1,481,311.54 × 669,806.18
  4. Step 4: Simplify right side
    987,612.82x = 992,191,622,982.94
  5. Step 5: Solve for x
    x = 992,191,622,982.94/987,612.82
  6. Step 6: Final answer
    x = 1,004,636.24

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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.