Home / 1,217,341.44-1,679,929.92-680,797.44

Finding the Fourth Proportional to 1,217,341.44, 1,679,929.92 and 680,797.44

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Solution

The fourth proportional to 1,217,341.44, 1,679,929.92 and 680,797.44 is: 939,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,341.44 : 1,679,929.92 = 680,797.44 : x
  2. Step 2: Convert to fraction form
    1,217,341.44/1,679,929.92 = 680,797.44/x
  3. Step 3: Cross multiply
    1,217,341.44x = 1,679,929.92 × 680,797.44
  4. Step 4: Simplify right side
    1,217,341.44x = 1,143,691,988,915.40
  5. Step 5: Solve for x
    x = 1,143,691,988,915.40/1,217,341.44
  6. Step 6: Final answer
    x = 939,499.76

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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.