Home / 1,107,482.92-1,661,318.09-308,765.18

Finding the Fourth Proportional to 1,107,482.92, 1,661,318.09 and 308,765.18

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Solution

The fourth proportional to 1,107,482.92, 1,661,318.09 and 308,765.18 is: 463,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,482.92 : 1,661,318.09 = 308,765.18 : x
  2. Step 2: Convert to fraction form
    1,107,482.92/1,661,318.09 = 308,765.18/x
  3. Step 3: Cross multiply
    1,107,482.92x = 1,661,318.09 × 308,765.18
  4. Step 4: Simplify right side
    1,107,482.92x = 512,957,170,403.56
  5. Step 5: Solve for x
    x = 512,957,170,403.56/1,107,482.92
  6. Step 6: Final answer
    x = 463,173.89

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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.