Home / 1,255,720.65-1,732,846.73-682,761.30

Finding the Fourth Proportional to 1,255,720.65, 1,732,846.73 and 682,761.30

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Solution

The fourth proportional to 1,255,720.65, 1,732,846.73 and 682,761.30 is: 942,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,720.65 : 1,732,846.73 = 682,761.30 : x
  2. Step 2: Convert to fraction form
    1,255,720.65/1,732,846.73 = 682,761.30/x
  3. Step 3: Cross multiply
    1,255,720.65x = 1,732,846.73 × 682,761.30
  4. Step 4: Simplify right side
    1,255,720.65x = 1,183,120,682,661.74
  5. Step 5: Solve for x
    x = 1,183,120,682,661.74/1,255,720.65
  6. Step 6: Final answer
    x = 942,184.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.