Home / 1,791,997.86-2,472,955.96-987,181.86

Finding the Fourth Proportional to 1,791,997.86, 2,472,955.96 and 987,181.86

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Solution

The fourth proportional to 1,791,997.86, 2,472,955.96 and 987,181.86 is: 1,362,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,997.86 : 2,472,955.96 = 987,181.86 : x
  2. Step 2: Convert to fraction form
    1,791,997.86/2,472,955.96 = 987,181.86/x
  3. Step 3: Cross multiply
    1,791,997.86x = 2,472,955.96 × 987,181.86
  4. Step 4: Simplify right side
    1,791,997.86x = 2,441,257,264,290.89
  5. Step 5: Solve for x
    x = 2,441,257,264,290.89/1,791,997.86
  6. Step 6: Final answer
    x = 1,362,310.37

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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.