Home / 1,221,027.44-1,831,512.52-322,531.88

Finding the Fourth Proportional to 1,221,027.44, 1,831,512.52 and 322,531.88

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Solution

The fourth proportional to 1,221,027.44, 1,831,512.52 and 322,531.88 is: 483,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,027.44 : 1,831,512.52 = 322,531.88 : x
  2. Step 2: Convert to fraction form
    1,221,027.44/1,831,512.52 = 322,531.88/x
  3. Step 3: Cross multiply
    1,221,027.44x = 1,831,512.52 × 322,531.88
  4. Step 4: Simplify right side
    1,221,027.44x = 590,721,176,319.14
  5. Step 5: Solve for x
    x = 590,721,176,319.14/1,221,027.44
  6. Step 6: Final answer
    x = 483,790.25

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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.