Home / 1,247,912.51-1,721,971.15-704,016.55

Finding the Fourth Proportional to 1,247,912.51, 1,721,971.15 and 704,016.55

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Solution

The fourth proportional to 1,247,912.51, 1,721,971.15 and 704,016.55 is: 971,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,912.51 : 1,721,971.15 = 704,016.55 : x
  2. Step 2: Convert to fraction form
    1,247,912.51/1,721,971.15 = 704,016.55/x
  3. Step 3: Cross multiply
    1,247,912.51x = 1,721,971.15 × 704,016.55
  4. Step 4: Simplify right side
    1,247,912.51x = 1,212,296,176,092.59
  5. Step 5: Solve for x
    x = 1,212,296,176,092.59/1,247,912.51
  6. Step 6: Final answer
    x = 971,459.27

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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.