Home / 995,123.43-1,372,185.09-672,272.96

Finding the Fourth Proportional to 995,123.43, 1,372,185.09 and 672,272.96

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Solution

The fourth proportional to 995,123.43, 1,372,185.09 and 672,272.96 is: 927,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,123.43 : 1,372,185.09 = 672,272.96 : x
  2. Step 2: Convert to fraction form
    995,123.43/1,372,185.09 = 672,272.96/x
  3. Step 3: Cross multiply
    995,123.43x = 1,372,185.09 × 672,272.96
  4. Step 4: Simplify right side
    995,123.43x = 922,482,925,261.24
  5. Step 5: Solve for x
    x = 922,482,925,261.24/995,123.43
  6. Step 6: Final answer
    x = 927,003.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.