Home / 1,538,661.36-2,123,241.48-850,324.98

Finding the Fourth Proportional to 1,538,661.36, 2,123,241.48 and 850,324.98

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Solution

The fourth proportional to 1,538,661.36, 2,123,241.48 and 850,324.98 is: 1,173,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,661.36 : 2,123,241.48 = 850,324.98 : x
  2. Step 2: Convert to fraction form
    1,538,661.36/2,123,241.48 = 850,324.98/x
  3. Step 3: Cross multiply
    1,538,661.36x = 2,123,241.48 × 850,324.98
  4. Step 4: Simplify right side
    1,538,661.36x = 1,805,445,269,016.17
  5. Step 5: Solve for x
    x = 1,805,445,269,016.17/1,538,661.36
  6. Step 6: Final answer
    x = 1,173,387.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.