Home / 1,727,901.42-2,591,556.78-465,433.80

Finding the Fourth Proportional to 1,727,901.42, 2,591,556.78 and 465,433.80

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Solution

The fourth proportional to 1,727,901.42, 2,591,556.78 and 465,433.80 is: 698,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,901.42 : 2,591,556.78 = 465,433.80 : x
  2. Step 2: Convert to fraction form
    1,727,901.42/2,591,556.78 = 465,433.80/x
  3. Step 3: Cross multiply
    1,727,901.42x = 2,591,556.78 × 465,433.80
  4. Step 4: Simplify right side
    1,727,901.42x = 1,206,198,120,031.16
  5. Step 5: Solve for x
    x = 1,206,198,120,031.16/1,727,901.42
  6. Step 6: Final answer
    x = 698,071.14

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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.