Home / 751,455.75-1,127,249.25-190,490.25

Finding the Fourth Proportional to 751,455.75, 1,127,249.25 and 190,490.25

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Solution

The fourth proportional to 751,455.75, 1,127,249.25 and 190,490.25 is: 285,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,455.75 : 1,127,249.25 = 190,490.25 : x
  2. Step 2: Convert to fraction form
    751,455.75/1,127,249.25 = 190,490.25/x
  3. Step 3: Cross multiply
    751,455.75x = 1,127,249.25 × 190,490.25
  4. Step 4: Simplify right side
    751,455.75x = 214,729,991,444.81
  5. Step 5: Solve for x
    x = 214,729,991,444.81/751,455.75
  6. Step 6: Final answer
    x = 285,752.01

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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.