Home / 849,868.80-1,274,803.20-800,005.20

Finding the Fourth Proportional to 849,868.80, 1,274,803.20 and 800,005.20

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Solution

The fourth proportional to 849,868.80, 1,274,803.20 and 800,005.20 is: 1,200,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,868.80 : 1,274,803.20 = 800,005.20 : x
  2. Step 2: Convert to fraction form
    849,868.80/1,274,803.20 = 800,005.20/x
  3. Step 3: Cross multiply
    849,868.80x = 1,274,803.20 × 800,005.20
  4. Step 4: Simplify right side
    849,868.80x = 1,019,849,188,976.64
  5. Step 5: Solve for x
    x = 1,019,849,188,976.64/849,868.80
  6. Step 6: Final answer
    x = 1,200,007.80

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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.