Home / 1,255,724.65-1,732,852.24-682,765.30

Finding the Fourth Proportional to 1,255,724.65, 1,732,852.24 and 682,765.30

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Solution

The fourth proportional to 1,255,724.65, 1,732,852.24 and 682,765.30 is: 942,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,724.65 : 1,732,852.24 = 682,765.30 : x
  2. Step 2: Convert to fraction form
    1,255,724.65/1,732,852.24 = 682,765.30/x
  3. Step 3: Cross multiply
    1,255,724.65x = 1,732,852.24 × 682,765.30
  4. Step 4: Simplify right side
    1,255,724.65x = 1,183,131,379,499.27
  5. Step 5: Solve for x
    x = 1,183,131,379,499.27/1,255,724.65
  6. Step 6: Final answer
    x = 942,190.14

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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.