Home / 1,362,971.64-2,040,608.34-721,821

Finding the Fourth Proportional to 1,362,971.64, 2,040,608.34 and 721,821

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Solution

The fourth proportional to 1,362,971.64, 2,040,608.34 and 721,821 is: 1,080,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,971.64 : 2,040,608.34 = 721,821 : x
  2. Step 2: Convert to fraction form
    1,362,971.64/2,040,608.34 = 721,821/x
  3. Step 3: Cross multiply
    1,362,971.64x = 2,040,608.34 × 721,821
  4. Step 4: Simplify right side
    1,362,971.64x = 1,472,953,952,587.14
  5. Step 5: Solve for x
    x = 1,472,953,952,587.14/1,362,971.64
  6. Step 6: Final answer
    x = 1,080,693.03

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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.