Home / 1,259,431.26-1,738,015.64-715,567.76

Finding the Fourth Proportional to 1,259,431.26, 1,738,015.64 and 715,567.76

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Solution

The fourth proportional to 1,259,431.26, 1,738,015.64 and 715,567.76 is: 987,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,431.26 : 1,738,015.64 = 715,567.76 : x
  2. Step 2: Convert to fraction form
    1,259,431.26/1,738,015.64 = 715,567.76/x
  3. Step 3: Cross multiply
    1,259,431.26x = 1,738,015.64 × 715,567.76
  4. Step 4: Simplify right side
    1,259,431.26x = 1,243,667,959,126.97
  5. Step 5: Solve for x
    x = 1,243,667,959,126.97/1,259,431.26
  6. Step 6: Final answer
    x = 987,483.79

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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.