Home / 1,628,229.20-2,247,065.16-903,307.28

Finding the Fourth Proportional to 1,628,229.20, 2,247,065.16 and 903,307.28

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Solution

The fourth proportional to 1,628,229.20, 2,247,065.16 and 903,307.28 is: 1,246,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,229.20 : 2,247,065.16 = 903,307.28 : x
  2. Step 2: Convert to fraction form
    1,628,229.20/2,247,065.16 = 903,307.28/x
  3. Step 3: Cross multiply
    1,628,229.20x = 2,247,065.16 × 903,307.28
  4. Step 4: Simplify right side
    1,628,229.20x = 2,029,790,317,662.37
  5. Step 5: Solve for x
    x = 2,029,790,317,662.37/1,628,229.20
  6. Step 6: Final answer
    x = 1,246,624.44

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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.