Home / 1,538,637.13-2,123,361.67-850,353.60

Finding the Fourth Proportional to 1,538,637.13, 2,123,361.67 and 850,353.60

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Solution

The fourth proportional to 1,538,637.13, 2,123,361.67 and 850,353.60 is: 1,173,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,637.13 : 2,123,361.67 = 850,353.60 : x
  2. Step 2: Convert to fraction form
    1,538,637.13/2,123,361.67 = 850,353.60/x
  3. Step 3: Cross multiply
    1,538,637.13x = 2,123,361.67 × 850,353.60
  4. Step 4: Simplify right side
    1,538,637.13x = 1,805,608,235,934.74
  5. Step 5: Solve for x
    x = 1,805,608,235,934.74/1,538,637.13
  6. Step 6: Final answer
    x = 1,173,511.42

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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.