Home / 1,146,878.46-1,719,243.32-388,189.02

Finding the Fourth Proportional to 1,146,878.46, 1,719,243.32 and 388,189.02

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Solution

The fourth proportional to 1,146,878.46, 1,719,243.32 and 388,189.02 is: 581,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,878.46 : 1,719,243.32 = 388,189.02 : x
  2. Step 2: Convert to fraction form
    1,146,878.46/1,719,243.32 = 388,189.02/x
  3. Step 3: Cross multiply
    1,146,878.46x = 1,719,243.32 × 388,189.02
  4. Step 4: Simplify right side
    1,146,878.46x = 667,391,379,532.35
  5. Step 5: Solve for x
    x = 667,391,379,532.35/1,146,878.46
  6. Step 6: Final answer
    x = 581,919.88

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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.