Home / 1,747,131.82-2,620,712.40-485,057.86

Finding the Fourth Proportional to 1,747,131.82, 2,620,712.40 and 485,057.86

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Solution

The fourth proportional to 1,747,131.82, 2,620,712.40 and 485,057.86 is: 727,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,131.82 : 2,620,712.40 = 485,057.86 : x
  2. Step 2: Convert to fraction form
    1,747,131.82/2,620,712.40 = 485,057.86/x
  3. Step 3: Cross multiply
    1,747,131.82x = 2,620,712.40 × 485,057.86
  4. Step 4: Simplify right side
    1,747,131.82x = 1,271,197,148,419.46
  5. Step 5: Solve for x
    x = 1,271,197,148,419.46/1,747,131.82
  6. Step 6: Final answer
    x = 727,590.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.