Home / 1,280,247.39-1,766,792.21-736,382.61

Finding the Fourth Proportional to 1,280,247.39, 1,766,792.21 and 736,382.61

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Solution

The fourth proportional to 1,280,247.39, 1,766,792.21 and 736,382.61 is: 1,016,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,247.39 : 1,766,792.21 = 736,382.61 : x
  2. Step 2: Convert to fraction form
    1,280,247.39/1,766,792.21 = 736,382.61/x
  3. Step 3: Cross multiply
    1,280,247.39x = 1,766,792.21 × 736,382.61
  4. Step 4: Simplify right side
    1,280,247.39x = 1,301,035,055,245.56
  5. Step 5: Solve for x
    x = 1,301,035,055,245.56/1,280,247.39
  6. Step 6: Final answer
    x = 1,016,237.23

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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.