Home / 1,161,739.22-1,743,291.47-487,768.70

Finding the Fourth Proportional to 1,161,739.22, 1,743,291.47 and 487,768.70

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Solution

The fourth proportional to 1,161,739.22, 1,743,291.47 and 487,768.70 is: 731,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,739.22 : 1,743,291.47 = 487,768.70 : x
  2. Step 2: Convert to fraction form
    1,161,739.22/1,743,291.47 = 487,768.70/x
  3. Step 3: Cross multiply
    1,161,739.22x = 1,743,291.47 × 487,768.70
  4. Step 4: Simplify right side
    1,161,739.22x = 850,323,002,887.69
  5. Step 5: Solve for x
    x = 850,323,002,887.69/1,161,739.22
  6. Step 6: Final answer
    x = 731,939.66

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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.