Home / 3,126,142.68-4,689,126.54-996,354.60

Finding the Fourth Proportional to 3,126,142.68, 4,689,126.54 and 996,354.60

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Solution

The fourth proportional to 3,126,142.68, 4,689,126.54 and 996,354.60 is: 1,494,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,142.68 : 4,689,126.54 = 996,354.60 : x
  2. Step 2: Convert to fraction form
    3,126,142.68/4,689,126.54 = 996,354.60/x
  3. Step 3: Cross multiply
    3,126,142.68x = 4,689,126.54 × 996,354.60
  4. Step 4: Simplify right side
    3,126,142.68x = 4,672,032,798,111.08
  5. Step 5: Solve for x
    x = 4,672,032,798,111.08/3,126,142.68
  6. Step 6: Final answer
    x = 1,494,504.02

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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.