Home / 1,269,296.98-1,751,887.67-861,530.22

Finding the Fourth Proportional to 1,269,296.98, 1,751,887.67 and 861,530.22

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Solution

The fourth proportional to 1,269,296.98, 1,751,887.67 and 861,530.22 is: 1,189,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,296.98 : 1,751,887.67 = 861,530.22 : x
  2. Step 2: Convert to fraction form
    1,269,296.98/1,751,887.67 = 861,530.22/x
  3. Step 3: Cross multiply
    1,269,296.98x = 1,751,887.67 × 861,530.22
  4. Step 4: Simplify right side
    1,269,296.98x = 1,509,304,165,442.74
  5. Step 5: Solve for x
    x = 1,509,304,165,442.74/1,269,296.98
  6. Step 6: Final answer
    x = 1,189,086.71

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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.