Home / 1,465,941-2,022,997.21-821,365.80

Finding the Fourth Proportional to 1,465,941, 2,022,997.21 and 821,365.80

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Solution

The fourth proportional to 1,465,941, 2,022,997.21 and 821,365.80 is: 1,133,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,941 : 2,022,997.21 = 821,365.80 : x
  2. Step 2: Convert to fraction form
    1,465,941/2,022,997.21 = 821,365.80/x
  3. Step 3: Cross multiply
    1,465,941x = 2,022,997.21 × 821,365.80
  4. Step 4: Simplify right side
    1,465,941x = 1,661,620,721,789.42
  5. Step 5: Solve for x
    x = 1,661,620,721,789.42/1,465,941
  6. Step 6: Final answer
    x = 1,133,484.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.