Home / 1,628,145.53-2,246,978.81-903,226.78

Finding the Fourth Proportional to 1,628,145.53, 2,246,978.81 and 903,226.78

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Solution

The fourth proportional to 1,628,145.53, 2,246,978.81 and 903,226.78 is: 1,246,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,145.53 : 2,246,978.81 = 903,226.78 : x
  2. Step 2: Convert to fraction form
    1,628,145.53/2,246,978.81 = 903,226.78/x
  3. Step 3: Cross multiply
    1,628,145.53x = 2,246,978.81 × 903,226.78
  4. Step 4: Simplify right side
    1,628,145.53x = 2,029,531,440,351.32
  5. Step 5: Solve for x
    x = 2,029,531,440,351.32/1,628,145.53
  6. Step 6: Final answer
    x = 1,246,529.51

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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.