Home / 1,294,620.90-1,942,806.15-726,000.90

Finding the Fourth Proportional to 1,294,620.90, 1,942,806.15 and 726,000.90

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Solution

The fourth proportional to 1,294,620.90, 1,942,806.15 and 726,000.90 is: 1,089,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,620.90 : 1,942,806.15 = 726,000.90 : x
  2. Step 2: Convert to fraction form
    1,294,620.90/1,942,806.15 = 726,000.90/x
  3. Step 3: Cross multiply
    1,294,620.90x = 1,942,806.15 × 726,000.90
  4. Step 4: Simplify right side
    1,294,620.90x = 1,410,479,013,425.54
  5. Step 5: Solve for x
    x = 1,410,479,013,425.54/1,294,620.90
  6. Step 6: Final answer
    x = 1,089,491.92

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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.