Home / 1,220,720.82-1,830,707.20-844,062

Finding the Fourth Proportional to 1,220,720.82, 1,830,707.20 and 844,062

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Solution

The fourth proportional to 1,220,720.82, 1,830,707.20 and 844,062 is: 1,265,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,720.82 : 1,830,707.20 = 844,062 : x
  2. Step 2: Convert to fraction form
    1,220,720.82/1,830,707.20 = 844,062/x
  3. Step 3: Cross multiply
    1,220,720.82x = 1,830,707.20 × 844,062
  4. Step 4: Simplify right side
    1,220,720.82x = 1,545,230,380,646.40
  5. Step 5: Solve for x
    x = 1,545,230,380,646.40/1,220,720.82
  6. Step 6: Final answer
    x = 1,265,834.38

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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.