Home / 1,338,679.82-1,847,374.35-802,135.82

Finding the Fourth Proportional to 1,338,679.82, 1,847,374.35 and 802,135.82

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Solution

The fourth proportional to 1,338,679.82, 1,847,374.35 and 802,135.82 is: 1,106,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,679.82 : 1,847,374.35 = 802,135.82 : x
  2. Step 2: Convert to fraction form
    1,338,679.82/1,847,374.35 = 802,135.82/x
  3. Step 3: Cross multiply
    1,338,679.82x = 1,847,374.35 × 802,135.82
  4. Step 4: Simplify right side
    1,338,679.82x = 1,481,845,139,084.22
  5. Step 5: Solve for x
    x = 1,481,845,139,084.22/1,338,679.82
  6. Step 6: Final answer
    x = 1,106,945.15

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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.