Home / 1,284,964.31-1,773,224.24-711,999.47

Finding the Fourth Proportional to 1,284,964.31, 1,773,224.24 and 711,999.47

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Solution

The fourth proportional to 1,284,964.31, 1,773,224.24 and 711,999.47 is: 982,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,964.31 : 1,773,224.24 = 711,999.47 : x
  2. Step 2: Convert to fraction form
    1,284,964.31/1,773,224.24 = 711,999.47/x
  3. Step 3: Cross multiply
    1,284,964.31x = 1,773,224.24 × 711,999.47
  4. Step 4: Simplify right side
    1,284,964.31x = 1,262,534,706,645.03
  5. Step 5: Solve for x
    x = 1,262,534,706,645.03/1,284,964.31
  6. Step 6: Final answer
    x = 982,544.57

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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.