Home / 1,260,618.42-1,890,944.01-419,170.14

Finding the Fourth Proportional to 1,260,618.42, 1,890,944.01 and 419,170.14

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Solution

The fourth proportional to 1,260,618.42, 1,890,944.01 and 419,170.14 is: 628,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,618.42 : 1,890,944.01 = 419,170.14 : x
  2. Step 2: Convert to fraction form
    1,260,618.42/1,890,944.01 = 419,170.14/x
  3. Step 3: Cross multiply
    1,260,618.42x = 1,890,944.01 × 419,170.14
  4. Step 4: Simplify right side
    1,260,618.42x = 792,627,265,403.86
  5. Step 5: Solve for x
    x = 792,627,265,403.86/1,260,618.42
  6. Step 6: Final answer
    x = 628,760.66

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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.