Home / 1,267,791.62-1,749,548.96-687,030.86

Finding the Fourth Proportional to 1,267,791.62, 1,749,548.96 and 687,030.86

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Solution

The fourth proportional to 1,267,791.62, 1,749,548.96 and 687,030.86 is: 948,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,791.62 : 1,749,548.96 = 687,030.86 : x
  2. Step 2: Convert to fraction form
    1,267,791.62/1,749,548.96 = 687,030.86/x
  3. Step 3: Cross multiply
    1,267,791.62x = 1,749,548.96 × 687,030.86
  4. Step 4: Simplify right side
    1,267,791.62x = 1,201,994,126,600.91
  5. Step 5: Solve for x
    x = 1,201,994,126,600.91/1,267,791.62
  6. Step 6: Final answer
    x = 948,100.70

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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.