Home / 1,476,342.40-2,213,712.24-665,778.42

Finding the Fourth Proportional to 1,476,342.40, 2,213,712.24 and 665,778.42

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Solution

The fourth proportional to 1,476,342.40, 2,213,712.24 and 665,778.42 is: 998,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,342.40 : 2,213,712.24 = 665,778.42 : x
  2. Step 2: Convert to fraction form
    1,476,342.40/2,213,712.24 = 665,778.42/x
  3. Step 3: Cross multiply
    1,476,342.40x = 2,213,712.24 × 665,778.42
  4. Step 4: Simplify right side
    1,476,342.40x = 1,473,841,837,481.86
  5. Step 5: Solve for x
    x = 1,473,841,837,481.86/1,476,342.40
  6. Step 6: Final answer
    x = 998,306.24

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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.