Home / 987,003.95-1,362,074.84-579,112.73

Finding the Fourth Proportional to 987,003.95, 1,362,074.84 and 579,112.73

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Solution

The fourth proportional to 987,003.95, 1,362,074.84 and 579,112.73 is: 799,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,003.95 : 1,362,074.84 = 579,112.73 : x
  2. Step 2: Convert to fraction form
    987,003.95/1,362,074.84 = 579,112.73/x
  3. Step 3: Cross multiply
    987,003.95x = 1,362,074.84 × 579,112.73
  4. Step 4: Simplify right side
    987,003.95x = 788,794,876,161.15
  5. Step 5: Solve for x
    x = 788,794,876,161.15/987,003.95
  6. Step 6: Final answer
    x = 799,181.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.