Home / 1,244,965.12-1,867,918.26-487,348

Finding the Fourth Proportional to 1,244,965.12, 1,867,918.26 and 487,348

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Solution

The fourth proportional to 1,244,965.12, 1,867,918.26 and 487,348 is: 731,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,965.12 : 1,867,918.26 = 487,348 : x
  2. Step 2: Convert to fraction form
    1,244,965.12/1,867,918.26 = 487,348/x
  3. Step 3: Cross multiply
    1,244,965.12x = 1,867,918.26 × 487,348
  4. Step 4: Simplify right side
    1,244,965.12x = 910,326,228,174.48
  5. Step 5: Solve for x
    x = 910,326,228,174.48/1,244,965.12
  6. Step 6: Final answer
    x = 731,206.21

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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.