Home / 997,987.21-1,376,787.81-610,819.87

Finding the Fourth Proportional to 997,987.21, 1,376,787.81 and 610,819.87

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Solution

The fourth proportional to 997,987.21, 1,376,787.81 and 610,819.87 is: 842,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,987.21 : 1,376,787.81 = 610,819.87 : x
  2. Step 2: Convert to fraction form
    997,987.21/1,376,787.81 = 610,819.87/x
  3. Step 3: Cross multiply
    997,987.21x = 1,376,787.81 × 610,819.87
  4. Step 4: Simplify right side
    997,987.21x = 840,969,344,237.85
  5. Step 5: Solve for x
    x = 840,969,344,237.85/997,987.21
  6. Step 6: Final answer
    x = 842,665.46

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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.