Home / 994,004.70-1,491,007.05-726,315.90

Finding the Fourth Proportional to 994,004.70, 1,491,007.05 and 726,315.90

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Solution

The fourth proportional to 994,004.70, 1,491,007.05 and 726,315.90 is: 1,089,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,004.70 : 1,491,007.05 = 726,315.90 : x
  2. Step 2: Convert to fraction form
    994,004.70/1,491,007.05 = 726,315.90/x
  3. Step 3: Cross multiply
    994,004.70x = 1,491,007.05 × 726,315.90
  4. Step 4: Simplify right side
    994,004.70x = 1,082,942,127,427.10
  5. Step 5: Solve for x
    x = 1,082,942,127,427.10/994,004.70
  6. Step 6: Final answer
    x = 1,089,473.85

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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.