Home / 1,269,529.72-1,904,286.36-322,892.32

Finding the Fourth Proportional to 1,269,529.72, 1,904,286.36 and 322,892.32

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Solution

The fourth proportional to 1,269,529.72, 1,904,286.36 and 322,892.32 is: 484,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,529.72 : 1,904,286.36 = 322,892.32 : x
  2. Step 2: Convert to fraction form
    1,269,529.72/1,904,286.36 = 322,892.32/x
  3. Step 3: Cross multiply
    1,269,529.72x = 1,904,286.36 × 322,892.32
  4. Step 4: Simplify right side
    1,269,529.72x = 614,879,440,724.76
  5. Step 5: Solve for x
    x = 614,879,440,724.76/1,269,529.72
  6. Step 6: Final answer
    x = 484,336.39

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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.