Home / 995,190.54-1,491,901.74-387,838.32

Finding the Fourth Proportional to 995,190.54, 1,491,901.74 and 387,838.32

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Solution

The fourth proportional to 995,190.54, 1,491,901.74 and 387,838.32 is: 581,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,190.54 : 1,491,901.74 = 387,838.32 : x
  2. Step 2: Convert to fraction form
    995,190.54/1,491,901.74 = 387,838.32/x
  3. Step 3: Cross multiply
    995,190.54x = 1,491,901.74 × 387,838.32
  4. Step 4: Simplify right side
    995,190.54x = 578,616,664,446.68
  5. Step 5: Solve for x
    x = 578,616,664,446.68/995,190.54
  6. Step 6: Final answer
    x = 581,412.95

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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.