Home / 1,038,952.73-1,557,077.31-422,738.56

Finding the Fourth Proportional to 1,038,952.73, 1,557,077.31 and 422,738.56

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Solution

The fourth proportional to 1,038,952.73, 1,557,077.31 and 422,738.56 is: 633,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,952.73 : 1,557,077.31 = 422,738.56 : x
  2. Step 2: Convert to fraction form
    1,038,952.73/1,557,077.31 = 422,738.56/x
  3. Step 3: Cross multiply
    1,038,952.73x = 1,557,077.31 × 422,738.56
  4. Step 4: Simplify right side
    1,038,952.73x = 658,236,614,360.11
  5. Step 5: Solve for x
    x = 658,236,614,360.11/1,038,952.73
  6. Step 6: Final answer
    x = 633,557.81

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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.