Home / 1,628,405.20-2,247,158.19-903,268.90

Finding the Fourth Proportional to 1,628,405.20, 2,247,158.19 and 903,268.90

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Solution

The fourth proportional to 1,628,405.20, 2,247,158.19 and 903,268.90 is: 1,246,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,405.20 : 2,247,158.19 = 903,268.90 : x
  2. Step 2: Convert to fraction form
    1,628,405.20/2,247,158.19 = 903,268.90/x
  3. Step 3: Cross multiply
    1,628,405.20x = 2,247,158.19 × 903,268.90
  4. Step 4: Simplify right side
    1,628,405.20x = 2,029,788,106,407.29
  5. Step 5: Solve for x
    x = 2,029,788,106,407.29/1,628,405.20
  6. Step 6: Final answer
    x = 1,246,488.35

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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.