Home / 1,338,487.92-2,007,757.77-327,618.72

Finding the Fourth Proportional to 1,338,487.92, 2,007,757.77 and 327,618.72

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Solution

The fourth proportional to 1,338,487.92, 2,007,757.77 and 327,618.72 is: 491,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,487.92 : 2,007,757.77 = 327,618.72 : x
  2. Step 2: Convert to fraction form
    1,338,487.92/2,007,757.77 = 327,618.72/x
  3. Step 3: Cross multiply
    1,338,487.92x = 2,007,757.77 × 327,618.72
  4. Step 4: Simplify right side
    1,338,487.92x = 657,779,030,677.45
  5. Step 5: Solve for x
    x = 657,779,030,677.45/1,338,487.92
  6. Step 6: Final answer
    x = 491,434.42

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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.