Home / 988,846.20-1,483,269.30-669,981.60

Finding the Fourth Proportional to 988,846.20, 1,483,269.30 and 669,981.60

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Solution

The fourth proportional to 988,846.20, 1,483,269.30 and 669,981.60 is: 1,004,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,846.20 : 1,483,269.30 = 669,981.60 : x
  2. Step 2: Convert to fraction form
    988,846.20/1,483,269.30 = 669,981.60/x
  3. Step 3: Cross multiply
    988,846.20x = 1,483,269.30 × 669,981.60
  4. Step 4: Simplify right side
    988,846.20x = 993,763,138,844.88
  5. Step 5: Solve for x
    x = 993,763,138,844.88/988,846.20
  6. Step 6: Final answer
    x = 1,004,972.40

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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.