Home / 1,219,040.66-1,682,288.72-735,512.38

Finding the Fourth Proportional to 1,219,040.66, 1,682,288.72 and 735,512.38

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Solution

The fourth proportional to 1,219,040.66, 1,682,288.72 and 735,512.38 is: 1,015,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,040.66 : 1,682,288.72 = 735,512.38 : x
  2. Step 2: Convert to fraction form
    1,219,040.66/1,682,288.72 = 735,512.38/x
  3. Step 3: Cross multiply
    1,219,040.66x = 1,682,288.72 × 735,512.38
  4. Step 4: Simplify right side
    1,219,040.66x = 1,237,344,180,294.35
  5. Step 5: Solve for x
    x = 1,237,344,180,294.35/1,219,040.66
  6. Step 6: Final answer
    x = 1,015,014.69

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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.