Home / 995,154.06-1,491,847.08-387,801.78

Finding the Fourth Proportional to 995,154.06, 1,491,847.08 and 387,801.78

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Solution

The fourth proportional to 995,154.06, 1,491,847.08 and 387,801.78 is: 581,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,154.06 : 1,491,847.08 = 387,801.78 : x
  2. Step 2: Convert to fraction form
    995,154.06/1,491,847.08 = 387,801.78/x
  3. Step 3: Cross multiply
    995,154.06x = 1,491,847.08 × 387,801.78
  4. Step 4: Simplify right side
    995,154.06x = 578,540,953,111.80
  5. Step 5: Solve for x
    x = 578,540,953,111.80/995,154.06
  6. Step 6: Final answer
    x = 581,358.18

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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.