Home / 1,087,801.92-1,631,142.09-488,249.10

Finding the Fourth Proportional to 1,087,801.92, 1,631,142.09 and 488,249.10

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Solution

The fourth proportional to 1,087,801.92, 1,631,142.09 and 488,249.10 is: 732,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,801.92 : 1,631,142.09 = 488,249.10 : x
  2. Step 2: Convert to fraction form
    1,087,801.92/1,631,142.09 = 488,249.10/x
  3. Step 3: Cross multiply
    1,087,801.92x = 1,631,142.09 × 488,249.10
  4. Step 4: Simplify right side
    1,087,801.92x = 796,403,657,414.62
  5. Step 5: Solve for x
    x = 796,403,657,414.62/1,087,801.92
  6. Step 6: Final answer
    x = 732,121.94

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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.