Home / 1,174,999.98-1,621,481.31-691,507.74

Finding the Fourth Proportional to 1,174,999.98, 1,621,481.31 and 691,507.74

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Solution

The fourth proportional to 1,174,999.98, 1,621,481.31 and 691,507.74 is: 954,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,999.98 : 1,621,481.31 = 691,507.74 : x
  2. Step 2: Convert to fraction form
    1,174,999.98/1,621,481.31 = 691,507.74/x
  3. Step 3: Cross multiply
    1,174,999.98x = 1,621,481.31 × 691,507.74
  4. Step 4: Simplify right side
    1,174,999.98x = 1,121,266,876,130.34
  5. Step 5: Solve for x
    x = 1,121,266,876,130.34/1,174,999.98
  6. Step 6: Final answer
    x = 954,269.70

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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.