Home / 856,999.67-1,285,540.47-706,961.75

Finding the Fourth Proportional to 856,999.67, 1,285,540.47 and 706,961.75

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Solution

The fourth proportional to 856,999.67, 1,285,540.47 and 706,961.75 is: 1,060,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,999.67 : 1,285,540.47 = 706,961.75 : x
  2. Step 2: Convert to fraction form
    856,999.67/1,285,540.47 = 706,961.75/x
  3. Step 3: Cross multiply
    856,999.67x = 1,285,540.47 × 706,961.75
  4. Step 4: Simplify right side
    856,999.67x = 908,827,933,939.32
  5. Step 5: Solve for x
    x = 908,827,933,939.32/856,999.67
  6. Step 6: Final answer
    x = 1,060,476.42

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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.