Home / 1,182,972.64-1,775,721.84-509,387.44

Finding the Fourth Proportional to 1,182,972.64, 1,775,721.84 and 509,387.44

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Solution

The fourth proportional to 1,182,972.64, 1,775,721.84 and 509,387.44 is: 764,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,972.64 : 1,775,721.84 = 509,387.44 : x
  2. Step 2: Convert to fraction form
    1,182,972.64/1,775,721.84 = 509,387.44/x
  3. Step 3: Cross multiply
    1,182,972.64x = 1,775,721.84 × 509,387.44
  4. Step 4: Simplify right side
    1,182,972.64x = 904,530,402,229.69
  5. Step 5: Solve for x
    x = 904,530,402,229.69/1,182,972.64
  6. Step 6: Final answer
    x = 764,624.96

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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.