Home / 1,260,600.90-1,890,917.80-419,152.64

Finding the Fourth Proportional to 1,260,600.90, 1,890,917.80 and 419,152.64

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Solution

The fourth proportional to 1,260,600.90, 1,890,917.80 and 419,152.64 is: 628,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,600.90 : 1,890,917.80 = 419,152.64 : x
  2. Step 2: Convert to fraction form
    1,260,600.90/1,890,917.80 = 419,152.64/x
  3. Step 3: Cross multiply
    1,260,600.90x = 1,890,917.80 × 419,152.64
  4. Step 4: Simplify right side
    1,260,600.90x = 792,583,187,892.99
  5. Step 5: Solve for x
    x = 792,583,187,892.99/1,260,600.90
  6. Step 6: Final answer
    x = 628,734.43

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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.