Home / 1,259,513.35-1,738,175.66-715,741.72

Finding the Fourth Proportional to 1,259,513.35, 1,738,175.66 and 715,741.72

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Solution

The fourth proportional to 1,259,513.35, 1,738,175.66 and 715,741.72 is: 987,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,513.35 : 1,738,175.66 = 715,741.72 : x
  2. Step 2: Convert to fraction form
    1,259,513.35/1,738,175.66 = 715,741.72/x
  3. Step 3: Cross multiply
    1,259,513.35x = 1,738,175.66 × 715,741.72
  4. Step 4: Simplify right side
    1,259,513.35x = 1,244,084,831,310.42
  5. Step 5: Solve for x
    x = 1,244,084,831,310.42/1,259,513.35
  6. Step 6: Final answer
    x = 987,750.41

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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.