Home / 1,238,462.38-1,857,878.25-439,677.03

Finding the Fourth Proportional to 1,238,462.38, 1,857,878.25 and 439,677.03

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Solution

The fourth proportional to 1,238,462.38, 1,857,878.25 and 439,677.03 is: 659,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,462.38 : 1,857,878.25 = 439,677.03 : x
  2. Step 2: Convert to fraction form
    1,238,462.38/1,857,878.25 = 439,677.03/x
  3. Step 3: Cross multiply
    1,238,462.38x = 1,857,878.25 × 439,677.03
  4. Step 4: Simplify right side
    1,238,462.38x = 816,866,391,061.60
  5. Step 5: Solve for x
    x = 816,866,391,061.60/1,238,462.38
  6. Step 6: Final answer
    x = 659,581.11

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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.