Home / 1,325,816.50-1,988,803.34-415,169.29

Finding the Fourth Proportional to 1,325,816.50, 1,988,803.34 and 415,169.29

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Solution

The fourth proportional to 1,325,816.50, 1,988,803.34 and 415,169.29 is: 622,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,816.50 : 1,988,803.34 = 415,169.29 : x
  2. Step 2: Convert to fraction form
    1,325,816.50/1,988,803.34 = 415,169.29/x
  3. Step 3: Cross multiply
    1,325,816.50x = 1,988,803.34 × 415,169.29
  4. Step 4: Simplify right side
    1,325,816.50x = 825,690,066,683.34
  5. Step 5: Solve for x
    x = 825,690,066,683.34/1,325,816.50
  6. Step 6: Final answer
    x = 622,778.54

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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.