Home / 1,397,379.70-2,096,069.55-511,261.30

Finding the Fourth Proportional to 1,397,379.70, 2,096,069.55 and 511,261.30

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Solution

The fourth proportional to 1,397,379.70, 2,096,069.55 and 511,261.30 is: 766,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,379.70 : 2,096,069.55 = 511,261.30 : x
  2. Step 2: Convert to fraction form
    1,397,379.70/2,096,069.55 = 511,261.30/x
  3. Step 3: Cross multiply
    1,397,379.70x = 2,096,069.55 × 511,261.30
  4. Step 4: Simplify right side
    1,397,379.70x = 1,071,639,243,023.42
  5. Step 5: Solve for x
    x = 1,071,639,243,023.42/1,397,379.70
  6. Step 6: Final answer
    x = 766,891.95

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Double scale
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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.