Home / 1,264,998.72-1,897,107.60-665,634.36

Finding the Fourth Proportional to 1,264,998.72, 1,897,107.60 and 665,634.36

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Solution

The fourth proportional to 1,264,998.72, 1,897,107.60 and 665,634.36 is: 998,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,998.72 : 1,897,107.60 = 665,634.36 : x
  2. Step 2: Convert to fraction form
    1,264,998.72/1,897,107.60 = 665,634.36/x
  3. Step 3: Cross multiply
    1,264,998.72x = 1,897,107.60 × 665,634.36
  4. Step 4: Simplify right side
    1,264,998.72x = 1,262,780,003,177.14
  5. Step 5: Solve for x
    x = 1,262,780,003,177.14/1,264,998.72
  6. Step 6: Final answer
    x = 998,246.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.