Home / 1,260,597.39-1,890,912.54-419,149.14

Finding the Fourth Proportional to 1,260,597.39, 1,890,912.54 and 419,149.14

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Solution

The fourth proportional to 1,260,597.39, 1,890,912.54 and 419,149.14 is: 628,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,597.39 : 1,890,912.54 = 419,149.14 : x
  2. Step 2: Convert to fraction form
    1,260,597.39/1,890,912.54 = 419,149.14/x
  3. Step 3: Cross multiply
    1,260,597.39x = 1,890,912.54 × 419,149.14
  4. Step 4: Simplify right side
    1,260,597.39x = 792,574,364,956.22
  5. Step 5: Solve for x
    x = 792,574,364,956.22/1,260,597.39
  6. Step 6: Final answer
    x = 628,729.18

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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.