Home / 1,288,643.67-1,933,032.20-329,108.22

Finding the Fourth Proportional to 1,288,643.67, 1,933,032.20 and 329,108.22

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Solution

The fourth proportional to 1,288,643.67, 1,933,032.20 and 329,108.22 is: 493,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,643.67 : 1,933,032.20 = 329,108.22 : x
  2. Step 2: Convert to fraction form
    1,288,643.67/1,933,032.20 = 329,108.22/x
  3. Step 3: Cross multiply
    1,288,643.67x = 1,933,032.20 × 329,108.22
  4. Step 4: Simplify right side
    1,288,643.67x = 636,176,784,899.14
  5. Step 5: Solve for x
    x = 636,176,784,899.14/1,288,643.67
  6. Step 6: Final answer
    x = 493,679.36

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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.