Home / 789,877.76-1,185,481.31-740,055.15

Finding the Fourth Proportional to 789,877.76, 1,185,481.31 and 740,055.15

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Solution

The fourth proportional to 789,877.76, 1,185,481.31 and 740,055.15 is: 1,110,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,877.76 : 1,185,481.31 = 740,055.15 : x
  2. Step 2: Convert to fraction form
    789,877.76/1,185,481.31 = 740,055.15/x
  3. Step 3: Cross multiply
    789,877.76x = 1,185,481.31 × 740,055.15
  4. Step 4: Simplify right side
    789,877.76x = 877,321,544,993.97
  5. Step 5: Solve for x
    x = 877,321,544,993.97/789,877.76
  6. Step 6: Final answer
    x = 1,110,705.47

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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.