Home / 1,628,443.68-2,247,288.30-903,267.78

Finding the Fourth Proportional to 1,628,443.68, 2,247,288.30 and 903,267.78

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Solution

The fourth proportional to 1,628,443.68, 2,247,288.30 and 903,267.78 is: 1,246,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,443.68 : 2,247,288.30 = 903,267.78 : x
  2. Step 2: Convert to fraction form
    1,628,443.68/2,247,288.30 = 903,267.78/x
  3. Step 3: Cross multiply
    1,628,443.68x = 2,247,288.30 × 903,267.78
  4. Step 4: Simplify right side
    1,628,443.68x = 2,029,903,113,760.97
  5. Step 5: Solve for x
    x = 2,029,903,113,760.97/1,628,443.68
  6. Step 6: Final answer
    x = 1,246,529.52

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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.