Home / 1,261,195.44-1,740,449.76-808,486.56

Finding the Fourth Proportional to 1,261,195.44, 1,740,449.76 and 808,486.56

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Solution

The fourth proportional to 1,261,195.44, 1,740,449.76 and 808,486.56 is: 1,115,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,195.44 : 1,740,449.76 = 808,486.56 : x
  2. Step 2: Convert to fraction form
    1,261,195.44/1,740,449.76 = 808,486.56/x
  3. Step 3: Cross multiply
    1,261,195.44x = 1,740,449.76 × 808,486.56
  4. Step 4: Simplify right side
    1,261,195.44x = 1,407,130,239,315.23
  5. Step 5: Solve for x
    x = 1,407,130,239,315.23/1,261,195.44
  6. Step 6: Final answer
    x = 1,115,711.49

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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.