Home / 1,728,619.48-2,385,481.08-1,003,534.48

Finding the Fourth Proportional to 1,728,619.48, 2,385,481.08 and 1,003,534.48

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Solution

The fourth proportional to 1,728,619.48, 2,385,481.08 and 1,003,534.48 is: 1,384,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,619.48 : 2,385,481.08 = 1,003,534.48 : x
  2. Step 2: Convert to fraction form
    1,728,619.48/2,385,481.08 = 1,003,534.48/x
  3. Step 3: Cross multiply
    1,728,619.48x = 2,385,481.08 × 1,003,534.48
  4. Step 4: Simplify right side
    1,728,619.48x = 2,393,912,515,167.64
  5. Step 5: Solve for x
    x = 2,393,912,515,167.64/1,728,619.48
  6. Step 6: Final answer
    x = 1,384,869.57

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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.