Home / 1,268,008.47-1,749,918.75-695,072.79

Finding the Fourth Proportional to 1,268,008.47, 1,749,918.75 and 695,072.79

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Solution

The fourth proportional to 1,268,008.47, 1,749,918.75 and 695,072.79 is: 959,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,008.47 : 1,749,918.75 = 695,072.79 : x
  2. Step 2: Convert to fraction form
    1,268,008.47/1,749,918.75 = 695,072.79/x
  3. Step 3: Cross multiply
    1,268,008.47x = 1,749,918.75 × 695,072.79
  4. Step 4: Simplify right side
    1,268,008.47x = 1,216,320,907,835.81
  5. Step 5: Solve for x
    x = 1,216,320,907,835.81/1,268,008.47
  6. Step 6: Final answer
    x = 959,237.21

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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.