Home / 1,628,280.64-2,247,296.33-903,361.91

Finding the Fourth Proportional to 1,628,280.64, 2,247,296.33 and 903,361.91

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Solution

The fourth proportional to 1,628,280.64, 2,247,296.33 and 903,361.91 is: 1,246,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,280.64 : 2,247,296.33 = 903,361.91 : x
  2. Step 2: Convert to fraction form
    1,628,280.64/2,247,296.33 = 903,361.91/x
  3. Step 3: Cross multiply
    1,628,280.64x = 2,247,296.33 × 903,361.91
  4. Step 4: Simplify right side
    1,628,280.64x = 2,030,121,889,251.50
  5. Step 5: Solve for x
    x = 2,030,121,889,251.50/1,628,280.64
  6. Step 6: Final answer
    x = 1,246,788.69

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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.