Home / 1,682,538.48-2,321,804.52-918,438.48

Finding the Fourth Proportional to 1,682,538.48, 2,321,804.52 and 918,438.48

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Solution

The fourth proportional to 1,682,538.48, 2,321,804.52 and 918,438.48 is: 1,267,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,538.48 : 2,321,804.52 = 918,438.48 : x
  2. Step 2: Convert to fraction form
    1,682,538.48/2,321,804.52 = 918,438.48/x
  3. Step 3: Cross multiply
    1,682,538.48x = 2,321,804.52 × 918,438.48
  4. Step 4: Simplify right side
    1,682,538.48x = 2,132,434,614,205.93
  5. Step 5: Solve for x
    x = 2,132,434,614,205.93/1,682,538.48
  6. Step 6: Final answer
    x = 1,267,391.29

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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.