Home / 1,728,079.94-2,591,892.32-513,630.64

Finding the Fourth Proportional to 1,728,079.94, 2,591,892.32 and 513,630.64

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Solution

The fourth proportional to 1,728,079.94, 2,591,892.32 and 513,630.64 is: 770,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,079.94 : 2,591,892.32 = 513,630.64 : x
  2. Step 2: Convert to fraction form
    1,728,079.94/2,591,892.32 = 513,630.64/x
  3. Step 3: Cross multiply
    1,728,079.94x = 2,591,892.32 × 513,630.64
  4. Step 4: Simplify right side
    1,728,079.94x = 1,331,275,311,132.68
  5. Step 5: Solve for x
    x = 1,331,275,311,132.68/1,728,079.94
  6. Step 6: Final answer
    x = 770,378.31

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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.