Home / 1,281,231.99-1,922,247.78-382,709.18

Finding the Fourth Proportional to 1,281,231.99, 1,922,247.78 and 382,709.18

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Solution

The fourth proportional to 1,281,231.99, 1,922,247.78 and 382,709.18 is: 574,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,231.99 : 1,922,247.78 = 382,709.18 : x
  2. Step 2: Convert to fraction form
    1,281,231.99/1,922,247.78 = 382,709.18/x
  3. Step 3: Cross multiply
    1,281,231.99x = 1,922,247.78 × 382,709.18
  4. Step 4: Simplify right side
    1,281,231.99x = 735,661,871,640.62
  5. Step 5: Solve for x
    x = 735,661,871,640.62/1,281,231.99
  6. Step 6: Final answer
    x = 574,183.19

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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.