Home / 1,091,237.22-1,505,983.08-661,535.46

Finding the Fourth Proportional to 1,091,237.22, 1,505,983.08 and 661,535.46

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Solution

The fourth proportional to 1,091,237.22, 1,505,983.08 and 661,535.46 is: 912,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,237.22 : 1,505,983.08 = 661,535.46 : x
  2. Step 2: Convert to fraction form
    1,091,237.22/1,505,983.08 = 661,535.46/x
  3. Step 3: Cross multiply
    1,091,237.22x = 1,505,983.08 × 661,535.46
  4. Step 4: Simplify right side
    1,091,237.22x = 996,261,209,580.02
  5. Step 5: Solve for x
    x = 996,261,209,580.02/1,091,237.22
  6. Step 6: Final answer
    x = 912,964.84

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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.