Home / 1,369,234.80-2,054,143.80-422,701.20

Finding the Fourth Proportional to 1,369,234.80, 2,054,143.80 and 422,701.20

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Solution

The fourth proportional to 1,369,234.80, 2,054,143.80 and 422,701.20 is: 634,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,234.80 : 2,054,143.80 = 422,701.20 : x
  2. Step 2: Convert to fraction form
    1,369,234.80/2,054,143.80 = 422,701.20/x
  3. Step 3: Cross multiply
    1,369,234.80x = 2,054,143.80 × 422,701.20
  4. Step 4: Simplify right side
    1,369,234.80x = 868,289,049,232.56
  5. Step 5: Solve for x
    x = 868,289,049,232.56/1,369,234.80
  6. Step 6: Final answer
    x = 634,141.82

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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.