Home / 751,178.39-1,127,893.21-650,287.60

Finding the Fourth Proportional to 751,178.39, 1,127,893.21 and 650,287.60

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Solution

The fourth proportional to 751,178.39, 1,127,893.21 and 650,287.60 is: 976,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,178.39 : 1,127,893.21 = 650,287.60 : x
  2. Step 2: Convert to fraction form
    751,178.39/1,127,893.21 = 650,287.60/x
  3. Step 3: Cross multiply
    751,178.39x = 1,127,893.21 × 650,287.60
  4. Step 4: Simplify right side
    751,178.39x = 733,454,972,924.72
  5. Step 5: Solve for x
    x = 733,454,972,924.72/751,178.39
  6. Step 6: Final answer
    x = 976,405.84

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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.