Home / 1,418,666.40-1,957,787.82-774,104.04

Finding the Fourth Proportional to 1,418,666.40, 1,957,787.82 and 774,104.04

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Solution

The fourth proportional to 1,418,666.40, 1,957,787.82 and 774,104.04 is: 1,068,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,666.40 : 1,957,787.82 = 774,104.04 : x
  2. Step 2: Convert to fraction form
    1,418,666.40/1,957,787.82 = 774,104.04/x
  3. Step 3: Cross multiply
    1,418,666.40x = 1,957,787.82 × 774,104.04
  4. Step 4: Simplify right side
    1,418,666.40x = 1,515,531,460,924.79
  5. Step 5: Solve for x
    x = 1,515,531,460,924.79/1,418,666.40
  6. Step 6: Final answer
    x = 1,068,278.96

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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.