Home / 1,369,296.60-2,054,139.30-422,568.60

Finding the Fourth Proportional to 1,369,296.60, 2,054,139.30 and 422,568.60

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Solution

The fourth proportional to 1,369,296.60, 2,054,139.30 and 422,568.60 is: 633,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,296.60 : 2,054,139.30 = 422,568.60 : x
  2. Step 2: Convert to fraction form
    1,369,296.60/2,054,139.30 = 422,568.60/x
  3. Step 3: Cross multiply
    1,369,296.60x = 2,054,139.30 × 422,568.60
  4. Step 4: Simplify right side
    1,369,296.60x = 868,014,768,205.98
  5. Step 5: Solve for x
    x = 868,014,768,205.98/1,369,296.60
  6. Step 6: Final answer
    x = 633,912.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.