Home / 1,167,629.31-1,611,327.74-631,085.31

Finding the Fourth Proportional to 1,167,629.31, 1,611,327.74 and 631,085.31

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Solution

The fourth proportional to 1,167,629.31, 1,611,327.74 and 631,085.31 is: 870,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,629.31 : 1,611,327.74 = 631,085.31 : x
  2. Step 2: Convert to fraction form
    1,167,629.31/1,611,327.74 = 631,085.31/x
  3. Step 3: Cross multiply
    1,167,629.31x = 1,611,327.74 × 631,085.31
  4. Step 4: Simplify right side
    1,167,629.31x = 1,016,885,263,154.07
  5. Step 5: Solve for x
    x = 1,016,885,263,154.07/1,167,629.31
  6. Step 6: Final answer
    x = 870,897.34

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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.