Home / 1,180,665-1,770,997.50-392,697

Finding the Fourth Proportional to 1,180,665, 1,770,997.50 and 392,697

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Solution

The fourth proportional to 1,180,665, 1,770,997.50 and 392,697 is: 589,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,665 : 1,770,997.50 = 392,697 : x
  2. Step 2: Convert to fraction form
    1,180,665/1,770,997.50 = 392,697/x
  3. Step 3: Cross multiply
    1,180,665x = 1,770,997.50 × 392,697
  4. Step 4: Simplify right side
    1,180,665x = 695,465,405,257.50
  5. Step 5: Solve for x
    x = 695,465,405,257.50/1,180,665
  6. Step 6: Final answer
    x = 589,045.50

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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.