Home / 1,765,949.25-2,649,318.75-644,018.25

Finding the Fourth Proportional to 1,765,949.25, 2,649,318.75 and 644,018.25

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Solution

The fourth proportional to 1,765,949.25, 2,649,318.75 and 644,018.25 is: 966,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,949.25 : 2,649,318.75 = 644,018.25 : x
  2. Step 2: Convert to fraction form
    1,765,949.25/2,649,318.75 = 644,018.25/x
  3. Step 3: Cross multiply
    1,765,949.25x = 2,649,318.75 × 644,018.25
  4. Step 4: Simplify right side
    1,765,949.25x = 1,706,209,625,067.19
  5. Step 5: Solve for x
    x = 1,706,209,625,067.19/1,765,949.25
  6. Step 6: Final answer
    x = 966,171.38

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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.