Home / 1,260,627.75-1,890,958.05-419,179.50

Finding the Fourth Proportional to 1,260,627.75, 1,890,958.05 and 419,179.50

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Solution

The fourth proportional to 1,260,627.75, 1,890,958.05 and 419,179.50 is: 628,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,627.75 : 1,890,958.05 = 419,179.50 : x
  2. Step 2: Convert to fraction form
    1,260,627.75/1,890,958.05 = 419,179.50/x
  3. Step 3: Cross multiply
    1,260,627.75x = 1,890,958.05 × 419,179.50
  4. Step 4: Simplify right side
    1,260,627.75x = 792,650,849,919.98
  5. Step 5: Solve for x
    x = 792,650,849,919.98/1,260,627.75
  6. Step 6: Final answer
    x = 628,774.71

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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.