Home / 1,433,371.35-1,978,052.78-788,791.54

Finding the Fourth Proportional to 1,433,371.35, 1,978,052.78 and 788,791.54

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Solution

The fourth proportional to 1,433,371.35, 1,978,052.78 and 788,791.54 is: 1,088,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,371.35 : 1,978,052.78 = 788,791.54 : x
  2. Step 2: Convert to fraction form
    1,433,371.35/1,978,052.78 = 788,791.54/x
  3. Step 3: Cross multiply
    1,433,371.35x = 1,978,052.78 × 788,791.54
  4. Step 4: Simplify right side
    1,433,371.35x = 1,560,271,298,537.48
  5. Step 5: Solve for x
    x = 1,560,271,298,537.48/1,433,371.35
  6. Step 6: Final answer
    x = 1,088,532.50

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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.