Home / 1,338,677.82-1,847,371.59-802,133.82

Finding the Fourth Proportional to 1,338,677.82, 1,847,371.59 and 802,133.82

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Solution

The fourth proportional to 1,338,677.82, 1,847,371.59 and 802,133.82 is: 1,106,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,677.82 : 1,847,371.59 = 802,133.82 : x
  2. Step 2: Convert to fraction form
    1,338,677.82/1,847,371.59 = 802,133.82/x
  3. Step 3: Cross multiply
    1,338,677.82x = 1,847,371.59 × 802,133.82
  4. Step 4: Simplify right side
    1,338,677.82x = 1,481,839,230,446.17
  5. Step 5: Solve for x
    x = 1,481,839,230,446.17/1,338,677.82
  6. Step 6: Final answer
    x = 1,106,942.39

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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.