Home / 1,269,056-1,903,635.84-322,451.12

Finding the Fourth Proportional to 1,269,056, 1,903,635.84 and 322,451.12

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Solution

The fourth proportional to 1,269,056, 1,903,635.84 and 322,451.12 is: 483,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,056 : 1,903,635.84 = 322,451.12 : x
  2. Step 2: Convert to fraction form
    1,269,056/1,903,635.84 = 322,451.12/x
  3. Step 3: Cross multiply
    1,269,056x = 1,903,635.84 × 322,451.12
  4. Step 4: Simplify right side
    1,269,056x = 613,829,508,680.14
  5. Step 5: Solve for x
    x = 613,829,508,680.14/1,269,056
  6. Step 6: Final answer
    x = 483,689.85

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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.