Home / 1,259,805.46-1,890,491.92-511,851.46

Finding the Fourth Proportional to 1,259,805.46, 1,890,491.92 and 511,851.46

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Solution

The fourth proportional to 1,259,805.46, 1,890,491.92 and 511,851.46 is: 768,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,805.46 : 1,890,491.92 = 511,851.46 : x
  2. Step 2: Convert to fraction form
    1,259,805.46/1,890,491.92 = 511,851.46/x
  3. Step 3: Cross multiply
    1,259,805.46x = 1,890,491.92 × 511,851.46
  4. Step 4: Simplify right side
    1,259,805.46x = 967,651,046,810.95
  5. Step 5: Solve for x
    x = 967,651,046,810.95/1,259,805.46
  6. Step 6: Final answer
    x = 768,095.61

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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.