Home / 1,283,189.52-1,771,244.22-739,542.48

Finding the Fourth Proportional to 1,283,189.52, 1,771,244.22 and 739,542.48

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Solution

The fourth proportional to 1,283,189.52, 1,771,244.22 and 739,542.48 is: 1,020,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,189.52 : 1,771,244.22 = 739,542.48 : x
  2. Step 2: Convert to fraction form
    1,283,189.52/1,771,244.22 = 739,542.48/x
  3. Step 3: Cross multiply
    1,283,189.52x = 1,771,244.22 × 739,542.48
  4. Step 4: Simplify right side
    1,283,189.52x = 1,309,910,343,144.47
  5. Step 5: Solve for x
    x = 1,309,910,343,144.47/1,283,189.52
  6. Step 6: Final answer
    x = 1,020,823.75

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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.