Home / 1,070,835.11-1,605,228.72-396,735.49

Finding the Fourth Proportional to 1,070,835.11, 1,605,228.72 and 396,735.49

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Solution

The fourth proportional to 1,070,835.11, 1,605,228.72 and 396,735.49 is: 594,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,835.11 : 1,605,228.72 = 396,735.49 : x
  2. Step 2: Convert to fraction form
    1,070,835.11/1,605,228.72 = 396,735.49/x
  3. Step 3: Cross multiply
    1,070,835.11x = 1,605,228.72 × 396,735.49
  4. Step 4: Simplify right side
    1,070,835.11x = 636,851,202,791.27
  5. Step 5: Solve for x
    x = 636,851,202,791.27/1,070,835.11
  6. Step 6: Final answer
    x = 594,723.87

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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.