Home / 996,670.73-1,375,317.32-555,111.61

Finding the Fourth Proportional to 996,670.73, 1,375,317.32 and 555,111.61

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Solution

The fourth proportional to 996,670.73, 1,375,317.32 and 555,111.61 is: 766,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,670.73 : 1,375,317.32 = 555,111.61 : x
  2. Step 2: Convert to fraction form
    996,670.73/1,375,317.32 = 555,111.61/x
  3. Step 3: Cross multiply
    996,670.73x = 1,375,317.32 × 555,111.61
  4. Step 4: Simplify right side
    996,670.73x = 763,454,611,766.09
  5. Step 5: Solve for x
    x = 763,454,611,766.09/996,670.73
  6. Step 6: Final answer
    x = 766,004.85

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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.