Home / 1,091,237.24-1,505,983.08-661,535.48

Finding the Fourth Proportional to 1,091,237.24, 1,505,983.08 and 661,535.48

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Solution

The fourth proportional to 1,091,237.24, 1,505,983.08 and 661,535.48 is: 912,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,237.24 : 1,505,983.08 = 661,535.48 : x
  2. Step 2: Convert to fraction form
    1,091,237.24/1,505,983.08 = 661,535.48/x
  3. Step 3: Cross multiply
    1,091,237.24x = 1,505,983.08 × 661,535.48
  4. Step 4: Simplify right side
    1,091,237.24x = 996,261,239,699.68
  5. Step 5: Solve for x
    x = 996,261,239,699.68/1,091,237.24
  6. Step 6: Final answer
    x = 912,964.85

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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.