Home / 1,180,310.70-1,770,903.45-381,618.30

Finding the Fourth Proportional to 1,180,310.70, 1,770,903.45 and 381,618.30

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Solution

The fourth proportional to 1,180,310.70, 1,770,903.45 and 381,618.30 is: 572,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,310.70 : 1,770,903.45 = 381,618.30 : x
  2. Step 2: Convert to fraction form
    1,180,310.70/1,770,903.45 = 381,618.30/x
  3. Step 3: Cross multiply
    1,180,310.70x = 1,770,903.45 × 381,618.30
  4. Step 4: Simplify right side
    1,180,310.70x = 675,809,164,053.14
  5. Step 5: Solve for x
    x = 675,809,164,053.14/1,180,310.70
  6. Step 6: Final answer
    x = 572,568.87

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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.