Home / 1,102,456.80-1,649,998.80-770,680.80

Finding the Fourth Proportional to 1,102,456.80, 1,649,998.80 and 770,680.80

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Solution

The fourth proportional to 1,102,456.80, 1,649,998.80 and 770,680.80 is: 1,153,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,456.80 : 1,649,998.80 = 770,680.80 : x
  2. Step 2: Convert to fraction form
    1,102,456.80/1,649,998.80 = 770,680.80/x
  3. Step 3: Cross multiply
    1,102,456.80x = 1,649,998.80 × 770,680.80
  4. Step 4: Simplify right side
    1,102,456.80x = 1,271,622,395,183.04
  5. Step 5: Solve for x
    x = 1,271,622,395,183.04/1,102,456.80
  6. Step 6: Final answer
    x = 1,153,444.19

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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.