Home / 1,178,845.24-1,764,743.37-721,998.00

Finding the Fourth Proportional to 1,178,845.24, 1,764,743.37 and 721,998.00

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Solution

The fourth proportional to 1,178,845.24, 1,764,743.37 and 721,998.00 is: 1,080,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,845.24 : 1,764,743.37 = 721,998.00 : x
  2. Step 2: Convert to fraction form
    1,178,845.24/1,764,743.37 = 721,998.00/x
  3. Step 3: Cross multiply
    1,178,845.24x = 1,764,743.37 × 721,998.00
  4. Step 4: Simplify right side
    1,178,845.24x = 1,274,141,194,489.64
  5. Step 5: Solve for x
    x = 1,274,141,194,489.64/1,178,845.24
  6. Step 6: Final answer
    x = 1,080,838.39

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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.