Home / 1,628,813.82-2,248,032.87-903,894.38

Finding the Fourth Proportional to 1,628,813.82, 2,248,032.87 and 903,894.38

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Solution

The fourth proportional to 1,628,813.82, 2,248,032.87 and 903,894.38 is: 1,247,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,813.82 : 2,248,032.87 = 903,894.38 : x
  2. Step 2: Convert to fraction form
    1,628,813.82/2,248,032.87 = 903,894.38/x
  3. Step 3: Cross multiply
    1,628,813.82x = 2,248,032.87 × 903,894.38
  4. Step 4: Simplify right side
    1,628,813.82x = 2,031,984,277,248.27
  5. Step 5: Solve for x
    x = 2,031,984,277,248.27/1,628,813.82
  6. Step 6: Final answer
    x = 1,247,523.97

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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.