Home / 1,522,285.88-2,100,754.33-910,438.55

Finding the Fourth Proportional to 1,522,285.88, 2,100,754.33 and 910,438.55

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Solution

The fourth proportional to 1,522,285.88, 2,100,754.33 and 910,438.55 is: 1,256,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,285.88 : 2,100,754.33 = 910,438.55 : x
  2. Step 2: Convert to fraction form
    1,522,285.88/2,100,754.33 = 910,438.55/x
  3. Step 3: Cross multiply
    1,522,285.88x = 2,100,754.33 × 910,438.55
  4. Step 4: Simplify right side
    1,522,285.88x = 1,912,607,729,087.21
  5. Step 5: Solve for x
    x = 1,912,607,729,087.21/1,522,285.88
  6. Step 6: Final answer
    x = 1,256,405.09

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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.