Home / 1,791,216.45-2,687,179.04-511,835.49

Finding the Fourth Proportional to 1,791,216.45, 2,687,179.04 and 511,835.49

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Solution

The fourth proportional to 1,791,216.45, 2,687,179.04 and 511,835.49 is: 767,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,216.45 : 2,687,179.04 = 511,835.49 : x
  2. Step 2: Convert to fraction form
    1,791,216.45/2,687,179.04 = 511,835.49/x
  3. Step 3: Cross multiply
    1,791,216.45x = 2,687,179.04 × 511,835.49
  4. Step 4: Simplify right side
    1,791,216.45x = 1,375,393,598,096.95
  5. Step 5: Solve for x
    x = 1,375,393,598,096.95/1,791,216.45
  6. Step 6: Final answer
    x = 767,854.49

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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.