Home / 751,062.24-1,036,118.44-665,108.80

Finding the Fourth Proportional to 751,062.24, 1,036,118.44 and 665,108.80

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Solution

The fourth proportional to 751,062.24, 1,036,118.44 and 665,108.80 is: 917,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,062.24 : 1,036,118.44 = 665,108.80 : x
  2. Step 2: Convert to fraction form
    751,062.24/1,036,118.44 = 665,108.80/x
  3. Step 3: Cross multiply
    751,062.24x = 1,036,118.44 × 665,108.80
  4. Step 4: Simplify right side
    751,062.24x = 689,131,492,286.27
  5. Step 5: Solve for x
    x = 689,131,492,286.27/751,062.24
  6. Step 6: Final answer
    x = 917,542.46

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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.