Home / 1,204,815.58-1,662,638.72-660,937.44

Finding the Fourth Proportional to 1,204,815.58, 1,662,638.72 and 660,937.44

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Solution

The fourth proportional to 1,204,815.58, 1,662,638.72 and 660,937.44 is: 912,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,815.58 : 1,662,638.72 = 660,937.44 : x
  2. Step 2: Convert to fraction form
    1,204,815.58/1,662,638.72 = 660,937.44/x
  3. Step 3: Cross multiply
    1,204,815.58x = 1,662,638.72 × 660,937.44
  4. Step 4: Simplify right side
    1,204,815.58x = 1,098,900,179,241.68
  5. Step 5: Solve for x
    x = 1,098,900,179,241.68/1,204,815.58
  6. Step 6: Final answer
    x = 912,089.95

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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.