Home / 1,207,241.55-1,665,893.66-663,349.23

Finding the Fourth Proportional to 1,207,241.55, 1,665,893.66 and 663,349.23

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Solution

The fourth proportional to 1,207,241.55, 1,665,893.66 and 663,349.23 is: 915,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,241.55 : 1,665,893.66 = 663,349.23 : x
  2. Step 2: Convert to fraction form
    1,207,241.55/1,665,893.66 = 663,349.23/x
  3. Step 3: Cross multiply
    1,207,241.55x = 1,665,893.66 × 663,349.23
  4. Step 4: Simplify right side
    1,207,241.55x = 1,105,069,273,306.14
  5. Step 5: Solve for x
    x = 1,105,069,273,306.14/1,207,241.55
  6. Step 6: Final answer
    x = 915,367.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.