Home / 1,098,809.96-1,650,741.32-775,342.73

Finding the Fourth Proportional to 1,098,809.96, 1,650,741.32 and 775,342.73

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Solution

The fourth proportional to 1,098,809.96, 1,650,741.32 and 775,342.73 is: 1,164,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,809.96 : 1,650,741.32 = 775,342.73 : x
  2. Step 2: Convert to fraction form
    1,098,809.96/1,650,741.32 = 775,342.73/x
  3. Step 3: Cross multiply
    1,098,809.96x = 1,650,741.32 × 775,342.73
  4. Step 4: Simplify right side
    1,098,809.96x = 1,279,890,287,637.81
  5. Step 5: Solve for x
    x = 1,279,890,287,637.81/1,098,809.96
  6. Step 6: Final answer
    x = 1,164,796.77

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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.