Home / 1,260,571.50-1,890,873.63-419,123.25

Finding the Fourth Proportional to 1,260,571.50, 1,890,873.63 and 419,123.25

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Solution

The fourth proportional to 1,260,571.50, 1,890,873.63 and 419,123.25 is: 628,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,571.50 : 1,890,873.63 = 419,123.25 : x
  2. Step 2: Convert to fraction form
    1,260,571.50/1,890,873.63 = 419,123.25/x
  3. Step 3: Cross multiply
    1,260,571.50x = 1,890,873.63 × 419,123.25
  4. Step 4: Simplify right side
    1,260,571.50x = 792,509,101,144.90
  5. Step 5: Solve for x
    x = 792,509,101,144.90/1,260,571.50
  6. Step 6: Final answer
    x = 628,690.32

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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.