Home / 1,661,450-2,492,174.76-399,277.62

Finding the Fourth Proportional to 1,661,450, 2,492,174.76 and 399,277.62

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Solution

The fourth proportional to 1,661,450, 2,492,174.76 and 399,277.62 is: 598,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,450 : 2,492,174.76 = 399,277.62 : x
  2. Step 2: Convert to fraction form
    1,661,450/2,492,174.76 = 399,277.62/x
  3. Step 3: Cross multiply
    1,661,450x = 2,492,174.76 × 399,277.62
  4. Step 4: Simplify right side
    1,661,450x = 995,069,606,796.87
  5. Step 5: Solve for x
    x = 995,069,606,796.87/1,661,450
  6. Step 6: Final answer
    x = 598,916.37

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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.