Home / 1,275,195.11-1,759,751.95-723,906.06

Finding the Fourth Proportional to 1,275,195.11, 1,759,751.95 and 723,906.06

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Solution

The fourth proportional to 1,275,195.11, 1,759,751.95 and 723,906.06 is: 998,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,195.11 : 1,759,751.95 = 723,906.06 : x
  2. Step 2: Convert to fraction form
    1,275,195.11/1,759,751.95 = 723,906.06/x
  3. Step 3: Cross multiply
    1,275,195.11x = 1,759,751.95 × 723,906.06
  4. Step 4: Simplify right side
    1,275,195.11x = 1,273,895,093,939.91
  5. Step 5: Solve for x
    x = 1,273,895,093,939.91/1,275,195.11
  6. Step 6: Final answer
    x = 998,980.54

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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.