Home / 1,180,412.28-1,770,792.30-381,428.28

Finding the Fourth Proportional to 1,180,412.28, 1,770,792.30 and 381,428.28

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Solution

The fourth proportional to 1,180,412.28, 1,770,792.30 and 381,428.28 is: 572,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,412.28 : 1,770,792.30 = 381,428.28 : x
  2. Step 2: Convert to fraction form
    1,180,412.28/1,770,792.30 = 381,428.28/x
  3. Step 3: Cross multiply
    1,180,412.28x = 1,770,792.30 × 381,428.28
  4. Step 4: Simplify right side
    1,180,412.28x = 675,430,261,226.24
  5. Step 5: Solve for x
    x = 675,430,261,226.24/1,180,412.28
  6. Step 6: Final answer
    x = 572,198.61

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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.