Home / 1,126,489.52-1,689,755.88-368,333.84

Finding the Fourth Proportional to 1,126,489.52, 1,689,755.88 and 368,333.84

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Solution

The fourth proportional to 1,126,489.52, 1,689,755.88 and 368,333.84 is: 552,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,489.52 : 1,689,755.88 = 368,333.84 : x
  2. Step 2: Convert to fraction form
    1,126,489.52/1,689,755.88 = 368,333.84/x
  3. Step 3: Cross multiply
    1,126,489.52x = 1,689,755.88 × 368,333.84
  4. Step 4: Simplify right side
    1,126,489.52x = 622,394,271,942.98
  5. Step 5: Solve for x
    x = 622,394,271,942.98/1,126,489.52
  6. Step 6: Final answer
    x = 552,507.82

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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.