Home / 1,242,217.52-1,863,720.08-443,481.36

Finding the Fourth Proportional to 1,242,217.52, 1,863,720.08 and 443,481.36

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Solution

The fourth proportional to 1,242,217.52, 1,863,720.08 and 443,481.36 is: 665,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,217.52 : 1,863,720.08 = 443,481.36 : x
  2. Step 2: Convert to fraction form
    1,242,217.52/1,863,720.08 = 443,481.36/x
  3. Step 3: Cross multiply
    1,242,217.52x = 1,863,720.08 × 443,481.36
  4. Step 4: Simplify right side
    1,242,217.52x = 826,525,115,737.71
  5. Step 5: Solve for x
    x = 826,525,115,737.71/1,242,217.52
  6. Step 6: Final answer
    x = 665,362.63

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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.