Home / 1,778,654.21-2,668,055.13-516,481.84

Finding the Fourth Proportional to 1,778,654.21, 2,668,055.13 and 516,481.84

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Solution

The fourth proportional to 1,778,654.21, 2,668,055.13 and 516,481.84 is: 774,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,654.21 : 2,668,055.13 = 516,481.84 : x
  2. Step 2: Convert to fraction form
    1,778,654.21/2,668,055.13 = 516,481.84/x
  3. Step 3: Cross multiply
    1,778,654.21x = 2,668,055.13 × 516,481.84
  4. Step 4: Simplify right side
    1,778,654.21x = 1,378,002,016,093.70
  5. Step 5: Solve for x
    x = 1,378,002,016,093.70/1,778,654.21
  6. Step 6: Final answer
    x = 774,744.19

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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.