Home / 1,325,816.28-1,989,596.10-727,197

Finding the Fourth Proportional to 1,325,816.28, 1,989,596.10 and 727,197

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Solution

The fourth proportional to 1,325,816.28, 1,989,596.10 and 727,197 is: 1,091,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,816.28 : 1,989,596.10 = 727,197 : x
  2. Step 2: Convert to fraction form
    1,325,816.28/1,989,596.10 = 727,197/x
  3. Step 3: Cross multiply
    1,325,816.28x = 1,989,596.10 × 727,197
  4. Step 4: Simplify right side
    1,325,816.28x = 1,446,828,315,131.70
  5. Step 5: Solve for x
    x = 1,446,828,315,131.70/1,325,816.28
  6. Step 6: Final answer
    x = 1,091,273.61

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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.