Home / 1,167,966-1,611,793.44-631,422

Finding the Fourth Proportional to 1,167,966, 1,611,793.44 and 631,422

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Solution

The fourth proportional to 1,167,966, 1,611,793.44 and 631,422 is: 871,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,966 : 1,611,793.44 = 631,422 : x
  2. Step 2: Convert to fraction form
    1,167,966/1,611,793.44 = 631,422/x
  3. Step 3: Cross multiply
    1,167,966x = 1,611,793.44 × 631,422
  4. Step 4: Simplify right side
    1,167,966x = 1,017,721,837,471.68
  5. Step 5: Solve for x
    x = 1,017,721,837,471.68/1,167,966
  6. Step 6: Final answer
    x = 871,362.55

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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.