Home / 1,622,416.45-2,239,234.22-1,042,364.69

Finding the Fourth Proportional to 1,622,416.45, 2,239,234.22 and 1,042,364.69

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Solution

The fourth proportional to 1,622,416.45, 2,239,234.22 and 1,042,364.69 is: 1,438,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,416.45 : 2,239,234.22 = 1,042,364.69 : x
  2. Step 2: Convert to fraction form
    1,622,416.45/2,239,234.22 = 1,042,364.69/x
  3. Step 3: Cross multiply
    1,622,416.45x = 2,239,234.22 × 1,042,364.69
  4. Step 4: Simplify right side
    1,622,416.45x = 2,334,098,684,745.65
  5. Step 5: Solve for x
    x = 2,334,098,684,745.65/1,622,416.45
  6. Step 6: Final answer
    x = 1,438,655.71

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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.