Home / 1,222,375.44-1,832,440.56-423,098.02

Finding the Fourth Proportional to 1,222,375.44, 1,832,440.56 and 423,098.02

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Solution

The fourth proportional to 1,222,375.44, 1,832,440.56 and 423,098.02 is: 634,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,375.44 : 1,832,440.56 = 423,098.02 : x
  2. Step 2: Convert to fraction form
    1,222,375.44/1,832,440.56 = 423,098.02/x
  3. Step 3: Cross multiply
    1,222,375.44x = 1,832,440.56 × 423,098.02
  4. Step 4: Simplify right side
    1,222,375.44x = 775,301,972,703.69
  5. Step 5: Solve for x
    x = 775,301,972,703.69/1,222,375.44
  6. Step 6: Final answer
    x = 634,258.47

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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.