Home / 1,467,122.80-2,201,340.30-521,172.40

Finding the Fourth Proportional to 1,467,122.80, 2,201,340.30 and 521,172.40

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Solution

The fourth proportional to 1,467,122.80, 2,201,340.30 and 521,172.40 is: 781,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,122.80 : 2,201,340.30 = 521,172.40 : x
  2. Step 2: Convert to fraction form
    1,467,122.80/2,201,340.30 = 521,172.40/x
  3. Step 3: Cross multiply
    1,467,122.80x = 2,201,340.30 × 521,172.40
  4. Step 4: Simplify right side
    1,467,122.80x = 1,147,277,807,367.72
  5. Step 5: Solve for x
    x = 1,147,277,807,367.72/1,467,122.80
  6. Step 6: Final answer
    x = 781,991.67

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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.