Home / 1,226,428.31-1,692,090.14-695,912.54

Finding the Fourth Proportional to 1,226,428.31, 1,692,090.14 and 695,912.54

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Solution

The fourth proportional to 1,226,428.31, 1,692,090.14 and 695,912.54 is: 960,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,428.31 : 1,692,090.14 = 695,912.54 : x
  2. Step 2: Convert to fraction form
    1,226,428.31/1,692,090.14 = 695,912.54/x
  3. Step 3: Cross multiply
    1,226,428.31x = 1,692,090.14 × 695,912.54
  4. Step 4: Simplify right side
    1,226,428.31x = 1,177,546,735,296.34
  5. Step 5: Solve for x
    x = 1,177,546,735,296.34/1,226,428.31
  6. Step 6: Final answer
    x = 960,143.14

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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.