Home / 1,002,922.62-1,505,102.21-426,949.72

Finding the Fourth Proportional to 1,002,922.62, 1,505,102.21 and 426,949.72

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Solution

The fourth proportional to 1,002,922.62, 1,505,102.21 and 426,949.72 is: 640,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,922.62 : 1,505,102.21 = 426,949.72 : x
  2. Step 2: Convert to fraction form
    1,002,922.62/1,505,102.21 = 426,949.72/x
  3. Step 3: Cross multiply
    1,002,922.62x = 1,505,102.21 × 426,949.72
  4. Step 4: Simplify right side
    1,002,922.62x = 642,602,967,130.88
  5. Step 5: Solve for x
    x = 642,602,967,130.88/1,002,922.62
  6. Step 6: Final answer
    x = 640,730.36

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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.