Home / 1,281,231.92-1,922,247.69-382,709.12

Finding the Fourth Proportional to 1,281,231.92, 1,922,247.69 and 382,709.12

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Solution

The fourth proportional to 1,281,231.92, 1,922,247.69 and 382,709.12 is: 574,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,231.92 : 1,922,247.69 = 382,709.12 : x
  2. Step 2: Convert to fraction form
    1,281,231.92/1,922,247.69 = 382,709.12/x
  3. Step 3: Cross multiply
    1,281,231.92x = 1,922,247.69 × 382,709.12
  4. Step 4: Simplify right side
    1,281,231.92x = 735,661,710,815.54
  5. Step 5: Solve for x
    x = 735,661,710,815.54/1,281,231.92
  6. Step 6: Final answer
    x = 574,183.10

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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.