Home / 1,338,149.35-1,846,673.54-757,372.47

Finding the Fourth Proportional to 1,338,149.35, 1,846,673.54 and 757,372.47

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Solution

The fourth proportional to 1,338,149.35, 1,846,673.54 and 757,372.47 is: 1,045,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,149.35 : 1,846,673.54 = 757,372.47 : x
  2. Step 2: Convert to fraction form
    1,338,149.35/1,846,673.54 = 757,372.47/x
  3. Step 3: Cross multiply
    1,338,149.35x = 1,846,673.54 × 757,372.47
  4. Step 4: Simplify right side
    1,338,149.35x = 1,398,619,687,253.21
  5. Step 5: Solve for x
    x = 1,398,619,687,253.21/1,338,149.35
  6. Step 6: Final answer
    x = 1,045,189.53

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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.