Home / 1,749,920.20-2,624,556.30-487,486.60

Finding the Fourth Proportional to 1,749,920.20, 2,624,556.30 and 487,486.60

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Solution

The fourth proportional to 1,749,920.20, 2,624,556.30 and 487,486.60 is: 731,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,920.20 : 2,624,556.30 = 487,486.60 : x
  2. Step 2: Convert to fraction form
    1,749,920.20/2,624,556.30 = 487,486.60/x
  3. Step 3: Cross multiply
    1,749,920.20x = 2,624,556.30 × 487,486.60
  4. Step 4: Simplify right side
    1,749,920.20x = 1,279,436,027,195.58
  5. Step 5: Solve for x
    x = 1,279,436,027,195.58/1,749,920.20
  6. Step 6: Final answer
    x = 731,139.64

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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.