Home / 1,628,812.82-2,248,031.49-903,893.38

Finding the Fourth Proportional to 1,628,812.82, 2,248,031.49 and 903,893.38

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Solution

The fourth proportional to 1,628,812.82, 2,248,031.49 and 903,893.38 is: 1,247,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,812.82 : 2,248,031.49 = 903,893.38 : x
  2. Step 2: Convert to fraction form
    1,628,812.82/2,248,031.49 = 903,893.38/x
  3. Step 3: Cross multiply
    1,628,812.82x = 2,248,031.49 × 903,893.38
  4. Step 4: Simplify right side
    1,628,812.82x = 2,031,980,781,842.54
  5. Step 5: Solve for x
    x = 2,031,980,781,842.54/1,628,812.82
  6. Step 6: Final answer
    x = 1,247,522.59

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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.