Home / 1,147,232.22-1,720,833.72-515,699.52

Finding the Fourth Proportional to 1,147,232.22, 1,720,833.72 and 515,699.52

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Solution

The fourth proportional to 1,147,232.22, 1,720,833.72 and 515,699.52 is: 773,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,232.22 : 1,720,833.72 = 515,699.52 : x
  2. Step 2: Convert to fraction form
    1,147,232.22/1,720,833.72 = 515,699.52/x
  3. Step 3: Cross multiply
    1,147,232.22x = 1,720,833.72 × 515,699.52
  4. Step 4: Simplify right side
    1,147,232.22x = 887,433,123,403.82
  5. Step 5: Solve for x
    x = 887,433,123,403.82/1,147,232.22
  6. Step 6: Final answer
    x = 773,542.71

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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.