Home / 1,108,568.80-1,530,240.93-726,620.19

Finding the Fourth Proportional to 1,108,568.80, 1,530,240.93 and 726,620.19

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Solution

The fourth proportional to 1,108,568.80, 1,530,240.93 and 726,620.19 is: 1,003,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,568.80 : 1,530,240.93 = 726,620.19 : x
  2. Step 2: Convert to fraction form
    1,108,568.80/1,530,240.93 = 726,620.19/x
  3. Step 3: Cross multiply
    1,108,568.80x = 1,530,240.93 × 726,620.19
  4. Step 4: Simplify right side
    1,108,568.80x = 1,111,903,949,563.97
  5. Step 5: Solve for x
    x = 1,111,903,949,563.97/1,108,568.80
  6. Step 6: Final answer
    x = 1,003,008.52

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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.