Home / 1,259,003.72-1,737,402.54-686,048.60

Finding the Fourth Proportional to 1,259,003.72, 1,737,402.54 and 686,048.60

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Solution

The fourth proportional to 1,259,003.72, 1,737,402.54 and 686,048.60 is: 946,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,003.72 : 1,737,402.54 = 686,048.60 : x
  2. Step 2: Convert to fraction form
    1,259,003.72/1,737,402.54 = 686,048.60/x
  3. Step 3: Cross multiply
    1,259,003.72x = 1,737,402.54 × 686,048.60
  4. Step 4: Simplify right side
    1,259,003.72x = 1,191,942,580,203.44
  5. Step 5: Solve for x
    x = 1,191,942,580,203.44/1,259,003.72
  6. Step 6: Final answer
    x = 946,734.76

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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.