Home / 994,004.20-1,491,006.30-726,315.40

Finding the Fourth Proportional to 994,004.20, 1,491,006.30 and 726,315.40

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Solution

The fourth proportional to 994,004.20, 1,491,006.30 and 726,315.40 is: 1,089,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,004.20 : 1,491,006.30 = 726,315.40 : x
  2. Step 2: Convert to fraction form
    994,004.20/1,491,006.30 = 726,315.40/x
  3. Step 3: Cross multiply
    994,004.20x = 1,491,006.30 × 726,315.40
  4. Step 4: Simplify right side
    994,004.20x = 1,082,940,837,187.02
  5. Step 5: Solve for x
    x = 1,082,940,837,187.02/994,004.20
  6. Step 6: Final answer
    x = 1,089,473.10

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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.