Home / 1,397,324.20-2,095,986.30-511,205.80

Finding the Fourth Proportional to 1,397,324.20, 2,095,986.30 and 511,205.80

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Solution

The fourth proportional to 1,397,324.20, 2,095,986.30 and 511,205.80 is: 766,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,324.20 : 2,095,986.30 = 511,205.80 : x
  2. Step 2: Convert to fraction form
    1,397,324.20/2,095,986.30 = 511,205.80/x
  3. Step 3: Cross multiply
    1,397,324.20x = 2,095,986.30 × 511,205.80
  4. Step 4: Simplify right side
    1,397,324.20x = 1,071,480,353,280.54
  5. Step 5: Solve for x
    x = 1,071,480,353,280.54/1,397,324.20
  6. Step 6: Final answer
    x = 766,808.70

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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.