Home / 1,091,238.22-1,505,984.46-661,536.46

Finding the Fourth Proportional to 1,091,238.22, 1,505,984.46 and 661,536.46

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Solution

The fourth proportional to 1,091,238.22, 1,505,984.46 and 661,536.46 is: 912,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,238.22 : 1,505,984.46 = 661,536.46 : x
  2. Step 2: Convert to fraction form
    1,091,238.22/1,505,984.46 = 661,536.46/x
  3. Step 3: Cross multiply
    1,091,238.22x = 1,505,984.46 × 661,536.46
  4. Step 4: Simplify right side
    1,091,238.22x = 996,263,628,483.41
  5. Step 5: Solve for x
    x = 996,263,628,483.41/1,091,238.22
  6. Step 6: Final answer
    x = 912,966.22

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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.