Home / 1,488,698.88-2,054,383.20-809,620.80

Finding the Fourth Proportional to 1,488,698.88, 2,054,383.20 and 809,620.80

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Solution

The fourth proportional to 1,488,698.88, 2,054,383.20 and 809,620.80 is: 1,117,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,698.88 : 2,054,383.20 = 809,620.80 : x
  2. Step 2: Convert to fraction form
    1,488,698.88/2,054,383.20 = 809,620.80/x
  3. Step 3: Cross multiply
    1,488,698.88x = 2,054,383.20 × 809,620.80
  4. Step 4: Simplify right side
    1,488,698.88x = 1,663,271,369,890.56
  5. Step 5: Solve for x
    x = 1,663,271,369,890.56/1,488,698.88
  6. Step 6: Final answer
    x = 1,117,265.14

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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.