Home / 1,079,329.80-1,617,612.30-828,769.80

Finding the Fourth Proportional to 1,079,329.80, 1,617,612.30 and 828,769.80

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Solution

The fourth proportional to 1,079,329.80, 1,617,612.30 and 828,769.80 is: 1,242,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,329.80 : 1,617,612.30 = 828,769.80 : x
  2. Step 2: Convert to fraction form
    1,079,329.80/1,617,612.30 = 828,769.80/x
  3. Step 3: Cross multiply
    1,079,329.80x = 1,617,612.30 × 828,769.80
  4. Step 4: Simplify right side
    1,079,329.80x = 1,340,628,222,348.54
  5. Step 5: Solve for x
    x = 1,340,628,222,348.54/1,079,329.80
  6. Step 6: Final answer
    x = 1,242,093.22

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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.