Home / 1,389,926.82-2,085,045.74-443,077.86

Finding the Fourth Proportional to 1,389,926.82, 2,085,045.74 and 443,077.86

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Solution

The fourth proportional to 1,389,926.82, 2,085,045.74 and 443,077.86 is: 664,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,926.82 : 2,085,045.74 = 443,077.86 : x
  2. Step 2: Convert to fraction form
    1,389,926.82/2,085,045.74 = 443,077.86/x
  3. Step 3: Cross multiply
    1,389,926.82x = 2,085,045.74 × 443,077.86
  4. Step 4: Simplify right side
    1,389,926.82x = 923,837,604,481.32
  5. Step 5: Solve for x
    x = 923,837,604,481.32/1,389,926.82
  6. Step 6: Final answer
    x = 664,666.36

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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.