Home / 1,201,892.47-1,658,610.81-658,028.12

Finding the Fourth Proportional to 1,201,892.47, 1,658,610.81 and 658,028.12

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Solution

The fourth proportional to 1,201,892.47, 1,658,610.81 and 658,028.12 is: 908,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,892.47 : 1,658,610.81 = 658,028.12 : x
  2. Step 2: Convert to fraction form
    1,201,892.47/1,658,610.81 = 658,028.12/x
  3. Step 3: Cross multiply
    1,201,892.47x = 1,658,610.81 × 658,028.12
  4. Step 4: Simplify right side
    1,201,892.47x = 1,091,412,553,115.98
  5. Step 5: Solve for x
    x = 1,091,412,553,115.98/1,201,892.47
  6. Step 6: Final answer
    x = 908,078.37

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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.