Home / 1,510,663.44-2,084,245.96-857,181.36

Finding the Fourth Proportional to 1,510,663.44, 2,084,245.96 and 857,181.36

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Solution

The fourth proportional to 1,510,663.44, 2,084,245.96 and 857,181.36 is: 1,182,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,663.44 : 2,084,245.96 = 857,181.36 : x
  2. Step 2: Convert to fraction form
    1,510,663.44/2,084,245.96 = 857,181.36/x
  3. Step 3: Cross multiply
    1,510,663.44x = 2,084,245.96 × 857,181.36
  4. Step 4: Simplify right side
    1,510,663.44x = 1,786,576,786,567.31
  5. Step 5: Solve for x
    x = 1,786,576,786,567.31/1,510,663.44
  6. Step 6: Final answer
    x = 1,182,643.82

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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.