Home / 1,538,637.88-2,123,362.70-850,354.35

Finding the Fourth Proportional to 1,538,637.88, 2,123,362.70 and 850,354.35

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Solution

The fourth proportional to 1,538,637.88, 2,123,362.70 and 850,354.35 is: 1,173,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,637.88 : 2,123,362.70 = 850,354.35 : x
  2. Step 2: Convert to fraction form
    1,538,637.88/2,123,362.70 = 850,354.35/x
  3. Step 3: Cross multiply
    1,538,637.88x = 2,123,362.70 × 850,354.35
  4. Step 4: Simplify right side
    1,538,637.88x = 1,805,610,708,572.75
  5. Step 5: Solve for x
    x = 1,805,610,708,572.75/1,538,637.88
  6. Step 6: Final answer
    x = 1,173,512.45

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