Home / 1,180,374.72-1,770,640.20-338,933.76

Finding the Fourth Proportional to 1,180,374.72, 1,770,640.20 and 338,933.76

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Solution

The fourth proportional to 1,180,374.72, 1,770,640.20 and 338,933.76 is: 508,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,374.72 : 1,770,640.20 = 338,933.76 : x
  2. Step 2: Convert to fraction form
    1,180,374.72/1,770,640.20 = 338,933.76/x
  3. Step 3: Cross multiply
    1,180,374.72x = 1,770,640.20 × 338,933.76
  4. Step 4: Simplify right side
    1,180,374.72x = 600,129,740,593.15
  5. Step 5: Solve for x
    x = 600,129,740,593.15/1,180,374.72
  6. Step 6: Final answer
    x = 508,423.07

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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.