Home / 781,180.70-1,171,771.04-741,289.82

Finding the Fourth Proportional to 781,180.70, 1,171,771.04 and 741,289.82

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Solution

The fourth proportional to 781,180.70, 1,171,771.04 and 741,289.82 is: 1,111,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,180.70 : 1,171,771.04 = 741,289.82 : x
  2. Step 2: Convert to fraction form
    781,180.70/1,171,771.04 = 741,289.82/x
  3. Step 3: Cross multiply
    781,180.70x = 1,171,771.04 × 741,289.82
  4. Step 4: Simplify right side
    781,180.70x = 868,621,939,317.18
  5. Step 5: Solve for x
    x = 868,621,939,317.18/781,180.70
  6. Step 6: Final answer
    x = 1,111,934.72

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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.