Home / 1,487,081.79-2,230,618.25-422,124.75

Finding the Fourth Proportional to 1,487,081.79, 2,230,618.25 and 422,124.75

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Solution

The fourth proportional to 1,487,081.79, 2,230,618.25 and 422,124.75 is: 633,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,081.79 : 2,230,618.25 = 422,124.75 : x
  2. Step 2: Convert to fraction form
    1,487,081.79/2,230,618.25 = 422,124.75/x
  3. Step 3: Cross multiply
    1,487,081.79x = 2,230,618.25 × 422,124.75
  4. Step 4: Simplify right side
    1,487,081.79x = 941,599,169,016.06
  5. Step 5: Solve for x
    x = 941,599,169,016.06/1,487,081.79
  6. Step 6: Final answer
    x = 633,185.86

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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.