Home / 1,106,617.75-1,659,917.31-307,897

Finding the Fourth Proportional to 1,106,617.75, 1,659,917.31 and 307,897

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Solution

The fourth proportional to 1,106,617.75, 1,659,917.31 and 307,897 is: 461,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,617.75 : 1,659,917.31 = 307,897 : x
  2. Step 2: Convert to fraction form
    1,106,617.75/1,659,917.31 = 307,897/x
  3. Step 3: Cross multiply
    1,106,617.75x = 1,659,917.31 × 307,897
  4. Step 4: Simplify right side
    1,106,617.75x = 511,083,559,997.07
  5. Step 5: Solve for x
    x = 511,083,559,997.07/1,106,617.75
  6. Step 6: Final answer
    x = 461,842.91

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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.