Home / 1,012,310.87-1,518,849.90-607,785.66

Finding the Fourth Proportional to 1,012,310.87, 1,518,849.90 and 607,785.66

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Solution

The fourth proportional to 1,012,310.87, 1,518,849.90 and 607,785.66 is: 911,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,310.87 : 1,518,849.90 = 607,785.66 : x
  2. Step 2: Convert to fraction form
    1,012,310.87/1,518,849.90 = 607,785.66/x
  3. Step 3: Cross multiply
    1,012,310.87x = 1,518,849.90 × 607,785.66
  4. Step 4: Simplify right side
    1,012,310.87x = 923,135,188,912.43
  5. Step 5: Solve for x
    x = 923,135,188,912.43/1,012,310.87
  6. Step 6: Final answer
    x = 911,908.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.