Home / 1,276,632.70-1,914,683.72-377,863.62

Finding the Fourth Proportional to 1,276,632.70, 1,914,683.72 and 377,863.62

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Solution

The fourth proportional to 1,276,632.70, 1,914,683.72 and 377,863.62 is: 566,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,632.70 : 1,914,683.72 = 377,863.62 : x
  2. Step 2: Convert to fraction form
    1,276,632.70/1,914,683.72 = 377,863.62/x
  3. Step 3: Cross multiply
    1,276,632.70x = 1,914,683.72 × 377,863.62
  4. Step 4: Simplify right side
    1,276,632.70x = 723,489,321,594.27
  5. Step 5: Solve for x
    x = 723,489,321,594.27/1,276,632.70
  6. Step 6: Final answer
    x = 566,716.90

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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.