Home / 1,242,631.36-1,864,338.54-443,895.22

Finding the Fourth Proportional to 1,242,631.36, 1,864,338.54 and 443,895.22

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Solution

The fourth proportional to 1,242,631.36, 1,864,338.54 and 443,895.22 is: 665,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,631.36 : 1,864,338.54 = 443,895.22 : x
  2. Step 2: Convert to fraction form
    1,242,631.36/1,864,338.54 = 443,895.22/x
  3. Step 3: Cross multiply
    1,242,631.36x = 1,864,338.54 × 443,895.22
  4. Step 4: Simplify right side
    1,242,631.36x = 827,570,966,367.78
  5. Step 5: Solve for x
    x = 827,570,966,367.78/1,242,631.36
  6. Step 6: Final answer
    x = 665,982.68

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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.