Home / 995,190.94-1,491,902.49-387,838.57

Finding the Fourth Proportional to 995,190.94, 1,491,902.49 and 387,838.57

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Solution

The fourth proportional to 995,190.94, 1,491,902.49 and 387,838.57 is: 581,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,190.94 : 1,491,902.49 = 387,838.57 : x
  2. Step 2: Convert to fraction form
    995,190.94/1,491,902.49 = 387,838.57/x
  3. Step 3: Cross multiply
    995,190.94x = 1,491,902.49 × 387,838.57
  4. Step 4: Simplify right side
    995,190.94x = 578,617,328,301.04
  5. Step 5: Solve for x
    x = 578,617,328,301.04/995,190.94
  6. Step 6: Final answer
    x = 581,413.38

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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.