Home / 988,801.20-1,483,201.80-669,936.60

Finding the Fourth Proportional to 988,801.20, 1,483,201.80 and 669,936.60

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Solution

The fourth proportional to 988,801.20, 1,483,201.80 and 669,936.60 is: 1,004,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,801.20 : 1,483,201.80 = 669,936.60 : x
  2. Step 2: Convert to fraction form
    988,801.20/1,483,201.80 = 669,936.60/x
  3. Step 3: Cross multiply
    988,801.20x = 1,483,201.80 × 669,936.60
  4. Step 4: Simplify right side
    988,801.20x = 993,651,171,005.88
  5. Step 5: Solve for x
    x = 993,651,171,005.88/988,801.20
  6. Step 6: Final answer
    x = 1,004,904.90

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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.