Home / 1,270,306.72-1,904,010.58-511,662.61

Finding the Fourth Proportional to 1,270,306.72, 1,904,010.58 and 511,662.61

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Solution

The fourth proportional to 1,270,306.72, 1,904,010.58 and 511,662.61 is: 766,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,306.72 : 1,904,010.58 = 511,662.61 : x
  2. Step 2: Convert to fraction form
    1,270,306.72/1,904,010.58 = 511,662.61/x
  3. Step 3: Cross multiply
    1,270,306.72x = 1,904,010.58 × 511,662.61
  4. Step 4: Simplify right side
    1,270,306.72x = 974,211,022,830.41
  5. Step 5: Solve for x
    x = 974,211,022,830.41/1,270,306.72
  6. Step 6: Final answer
    x = 766,910.08

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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.