Home / 1,338,100.97-2,007,545.18-538,971.17

Finding the Fourth Proportional to 1,338,100.97, 2,007,545.18 and 538,971.17

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Solution

The fourth proportional to 1,338,100.97, 2,007,545.18 and 538,971.17 is: 808,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,100.97 : 2,007,545.18 = 538,971.17 : x
  2. Step 2: Convert to fraction form
    1,338,100.97/2,007,545.18 = 538,971.17/x
  3. Step 3: Cross multiply
    1,338,100.97x = 2,007,545.18 × 538,971.17
  4. Step 4: Simplify right side
    1,338,100.97x = 1,082,008,961,759.88
  5. Step 5: Solve for x
    x = 1,082,008,961,759.88/1,338,100.97
  6. Step 6: Final answer
    x = 808,615.34

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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.