Home / 3,992,634.86-5,988,949.52-959,999.72

Finding the Fourth Proportional to 3,992,634.86, 5,988,949.52 and 959,999.72

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Solution

The fourth proportional to 3,992,634.86, 5,988,949.52 and 959,999.72 is: 1,439,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,634.86 : 5,988,949.52 = 959,999.72 : x
  2. Step 2: Convert to fraction form
    3,992,634.86/5,988,949.52 = 959,999.72/x
  3. Step 3: Cross multiply
    3,992,634.86x = 5,988,949.52 × 959,999.72
  4. Step 4: Simplify right side
    3,992,634.86x = 5,749,389,827,549.39
  5. Step 5: Solve for x
    x = 5,749,389,827,549.39/3,992,634.86
  6. Step 6: Final answer
    x = 1,439,998.91

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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.