Home / 1,242,806.72-1,862,917.32-843,479.96

Finding the Fourth Proportional to 1,242,806.72, 1,862,917.32 and 843,479.96

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Solution

The fourth proportional to 1,242,806.72, 1,862,917.32 and 843,479.96 is: 1,264,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,806.72 : 1,862,917.32 = 843,479.96 : x
  2. Step 2: Convert to fraction form
    1,242,806.72/1,862,917.32 = 843,479.96/x
  3. Step 3: Cross multiply
    1,242,806.72x = 1,862,917.32 × 843,479.96
  4. Step 4: Simplify right side
    1,242,806.72x = 1,571,333,426,556.91
  5. Step 5: Solve for x
    x = 1,571,333,426,556.91/1,242,806.72
  6. Step 6: Final answer
    x = 1,264,342.56

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