Home / 1,167,620.31-1,611,315.30-631,076.31

Finding the Fourth Proportional to 1,167,620.31, 1,611,315.30 and 631,076.31

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Solution

The fourth proportional to 1,167,620.31, 1,611,315.30 and 631,076.31 is: 870,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,620.31 : 1,611,315.30 = 631,076.31 : x
  2. Step 2: Convert to fraction form
    1,167,620.31/1,611,315.30 = 631,076.31/x
  3. Step 3: Cross multiply
    1,167,620.31x = 1,611,315.30 × 631,076.31
  4. Step 4: Simplify right side
    1,167,620.31x = 1,016,862,913,770.54
  5. Step 5: Solve for x
    x = 1,016,862,913,770.54/1,167,620.31
  6. Step 6: Final answer
    x = 870,884.91

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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.