Home / 905,486.25-1,356,967.76-680,584.29

Finding the Fourth Proportional to 905,486.25, 1,356,967.76 and 680,584.29

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Solution

The fourth proportional to 905,486.25, 1,356,967.76 and 680,584.29 is: 1,019,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,486.25 : 1,356,967.76 = 680,584.29 : x
  2. Step 2: Convert to fraction form
    905,486.25/1,356,967.76 = 680,584.29/x
  3. Step 3: Cross multiply
    905,486.25x = 1,356,967.76 × 680,584.29
  4. Step 4: Simplify right side
    905,486.25x = 923,530,931,000.94
  5. Step 5: Solve for x
    x = 923,530,931,000.94/905,486.25
  6. Step 6: Final answer
    x = 1,019,928.16

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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.