Home / 1,110,086.15-1,665,793.53-478,999.98

Finding the Fourth Proportional to 1,110,086.15, 1,665,793.53 and 478,999.98

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Solution

The fourth proportional to 1,110,086.15, 1,665,793.53 and 478,999.98 is: 718,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,086.15 : 1,665,793.53 = 478,999.98 : x
  2. Step 2: Convert to fraction form
    1,110,086.15/1,665,793.53 = 478,999.98/x
  3. Step 3: Cross multiply
    1,110,086.15x = 1,665,793.53 × 478,999.98
  4. Step 4: Simplify right side
    1,110,086.15x = 797,915,067,554.13
  5. Step 5: Solve for x
    x = 797,915,067,554.13/1,110,086.15
  6. Step 6: Final answer
    x = 718,786.62

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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.