Home / 1,076,992.78-1,486,503.29-669,402.44

Finding the Fourth Proportional to 1,076,992.78, 1,486,503.29 and 669,402.44

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Solution

The fourth proportional to 1,076,992.78, 1,486,503.29 and 669,402.44 is: 923,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,992.78 : 1,486,503.29 = 669,402.44 : x
  2. Step 2: Convert to fraction form
    1,076,992.78/1,486,503.29 = 669,402.44/x
  3. Step 3: Cross multiply
    1,076,992.78x = 1,486,503.29 × 669,402.44
  4. Step 4: Simplify right side
    1,076,992.78x = 995,068,929,394.03
  5. Step 5: Solve for x
    x = 995,068,929,394.03/1,076,992.78
  6. Step 6: Final answer
    x = 923,932.78

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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.