Home / 1,369,274.80-2,054,203.80-422,741.20

Finding the Fourth Proportional to 1,369,274.80, 2,054,203.80 and 422,741.20

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Solution

The fourth proportional to 1,369,274.80, 2,054,203.80 and 422,741.20 is: 634,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,274.80 : 2,054,203.80 = 422,741.20 : x
  2. Step 2: Convert to fraction form
    1,369,274.80/2,054,203.80 = 422,741.20/x
  3. Step 3: Cross multiply
    1,369,274.80x = 2,054,203.80 × 422,741.20
  4. Step 4: Simplify right side
    1,369,274.80x = 868,396,579,456.56
  5. Step 5: Solve for x
    x = 868,396,579,456.56/1,369,274.80
  6. Step 6: Final answer
    x = 634,201.83

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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.