Home / 712,576.45-1,068,901.43-180,102.09

Finding the Fourth Proportional to 712,576.45, 1,068,901.43 and 180,102.09

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Solution

The fourth proportional to 712,576.45, 1,068,901.43 and 180,102.09 is: 270,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,576.45 : 1,068,901.43 = 180,102.09 : x
  2. Step 2: Convert to fraction form
    712,576.45/1,068,901.43 = 180,102.09/x
  3. Step 3: Cross multiply
    712,576.45x = 1,068,901.43 × 180,102.09
  4. Step 4: Simplify right side
    712,576.45x = 192,511,380,646.48
  5. Step 5: Solve for x
    x = 192,511,380,646.48/712,576.45
  6. Step 6: Final answer
    x = 270,162.42

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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.