Home / 1,260,616.92-1,890,941.76-419,168.64

Finding the Fourth Proportional to 1,260,616.92, 1,890,941.76 and 419,168.64

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Solution

The fourth proportional to 1,260,616.92, 1,890,941.76 and 419,168.64 is: 628,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,616.92 : 1,890,941.76 = 419,168.64 : x
  2. Step 2: Convert to fraction form
    1,260,616.92/1,890,941.76 = 419,168.64/x
  3. Step 3: Cross multiply
    1,260,616.92x = 1,890,941.76 × 419,168.64
  4. Step 4: Simplify right side
    1,260,616.92x = 792,623,485,858.41
  5. Step 5: Solve for x
    x = 792,623,485,858.41/1,260,616.92
  6. Step 6: Final answer
    x = 628,758.41

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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.