Home / 1,369,291.80-2,054,229.30-422,758.20

Finding the Fourth Proportional to 1,369,291.80, 2,054,229.30 and 422,758.20

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Solution

The fourth proportional to 1,369,291.80, 2,054,229.30 and 422,758.20 is: 634,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,291.80 : 2,054,229.30 = 422,758.20 : x
  2. Step 2: Convert to fraction form
    1,369,291.80/2,054,229.30 = 422,758.20/x
  3. Step 3: Cross multiply
    1,369,291.80x = 2,054,229.30 × 422,758.20
  4. Step 4: Simplify right side
    1,369,291.80x = 868,442,281,255.26
  5. Step 5: Solve for x
    x = 868,442,281,255.26/1,369,291.80
  6. Step 6: Final answer
    x = 634,227.33

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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.