Home / 1,259,803.83-1,890,489.48-511,849.83

Finding the Fourth Proportional to 1,259,803.83, 1,890,489.48 and 511,849.83

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Solution

The fourth proportional to 1,259,803.83, 1,890,489.48 and 511,849.83 is: 768,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,803.83 : 1,890,489.48 = 511,849.83 : x
  2. Step 2: Convert to fraction form
    1,259,803.83/1,890,489.48 = 511,849.83/x
  3. Step 3: Cross multiply
    1,259,803.83x = 1,890,489.48 × 511,849.83
  4. Step 4: Simplify right side
    1,259,803.83x = 967,646,724,124.69
  5. Step 5: Solve for x
    x = 967,646,724,124.69/1,259,803.83
  6. Step 6: Final answer
    x = 768,093.17

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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.