Home / 1,665,388.92-2,298,108.45-940,308.21

Finding the Fourth Proportional to 1,665,388.92, 2,298,108.45 and 940,308.21

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Solution

The fourth proportional to 1,665,388.92, 2,298,108.45 and 940,308.21 is: 1,297,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,388.92 : 2,298,108.45 = 940,308.21 : x
  2. Step 2: Convert to fraction form
    1,665,388.92/2,298,108.45 = 940,308.21/x
  3. Step 3: Cross multiply
    1,665,388.92x = 2,298,108.45 × 940,308.21
  4. Step 4: Simplify right side
    1,665,388.92x = 2,160,930,238,597.68
  5. Step 5: Solve for x
    x = 2,160,930,238,597.68/1,665,388.92
  6. Step 6: Final answer
    x = 1,297,552.91

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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.