Home / 1,368,440.20-2,051,277.90-621,022.60

Finding the Fourth Proportional to 1,368,440.20, 2,051,277.90 and 621,022.60

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Solution

The fourth proportional to 1,368,440.20, 2,051,277.90 and 621,022.60 is: 930,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,440.20 : 2,051,277.90 = 621,022.60 : x
  2. Step 2: Convert to fraction form
    1,368,440.20/2,051,277.90 = 621,022.60/x
  3. Step 3: Cross multiply
    1,368,440.20x = 2,051,277.90 × 621,022.60
  4. Step 4: Simplify right side
    1,368,440.20x = 1,273,889,934,780.54
  5. Step 5: Solve for x
    x = 1,273,889,934,780.54/1,368,440.20
  6. Step 6: Final answer
    x = 930,906.54

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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.