Home / 1,303,208.82-1,797,361.92-917,301.74

Finding the Fourth Proportional to 1,303,208.82, 1,797,361.92 and 917,301.74

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Solution

The fourth proportional to 1,303,208.82, 1,797,361.92 and 917,301.74 is: 1,265,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,208.82 : 1,797,361.92 = 917,301.74 : x
  2. Step 2: Convert to fraction form
    1,303,208.82/1,797,361.92 = 917,301.74/x
  3. Step 3: Cross multiply
    1,303,208.82x = 1,797,361.92 × 917,301.74
  4. Step 4: Simplify right side
    1,303,208.82x = 1,648,723,207,638.93
  5. Step 5: Solve for x
    x = 1,648,723,207,638.93/1,303,208.82
  6. Step 6: Final answer
    x = 1,265,125.88

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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.