Home / 1,117,669.30-1,675,563.54-486,107.44

Finding the Fourth Proportional to 1,117,669.30, 1,675,563.54 and 486,107.44

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Solution

The fourth proportional to 1,117,669.30, 1,675,563.54 and 486,107.44 is: 728,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,669.30 : 1,675,563.54 = 486,107.44 : x
  2. Step 2: Convert to fraction form
    1,117,669.30/1,675,563.54 = 486,107.44/x
  3. Step 3: Cross multiply
    1,117,669.30x = 1,675,563.54 × 486,107.44
  4. Step 4: Simplify right side
    1,117,669.30x = 814,503,902,986.74
  5. Step 5: Solve for x
    x = 814,503,902,986.74/1,117,669.30
  6. Step 6: Final answer
    x = 728,752.15

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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.