Home / 861,244.86-1,187,286.08-605,803.26

Finding the Fourth Proportional to 861,244.86, 1,187,286.08 and 605,803.26

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Solution

The fourth proportional to 861,244.86, 1,187,286.08 and 605,803.26 is: 835,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,244.86 : 1,187,286.08 = 605,803.26 : x
  2. Step 2: Convert to fraction form
    861,244.86/1,187,286.08 = 605,803.26/x
  3. Step 3: Cross multiply
    861,244.86x = 1,187,286.08 × 605,803.26
  4. Step 4: Simplify right side
    861,244.86x = 719,261,777,816.62
  5. Step 5: Solve for x
    x = 719,261,777,816.62/861,244.86
  6. Step 6: Final answer
    x = 835,142.03

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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.