Home / 1,084,169.52-1,625,171.72-724,643.19

Finding the Fourth Proportional to 1,084,169.52, 1,625,171.72 and 724,643.19

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Solution

The fourth proportional to 1,084,169.52, 1,625,171.72 and 724,643.19 is: 1,086,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,169.52 : 1,625,171.72 = 724,643.19 : x
  2. Step 2: Convert to fraction form
    1,084,169.52/1,625,171.72 = 724,643.19/x
  3. Step 3: Cross multiply
    1,084,169.52x = 1,625,171.72 × 724,643.19
  4. Step 4: Simplify right side
    1,084,169.52x = 1,177,669,615,855.37
  5. Step 5: Solve for x
    x = 1,177,669,615,855.37/1,084,169.52
  6. Step 6: Final answer
    x = 1,086,241.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.