Home / 1,219,474.54-1,682,738.69-675,475.36

Finding the Fourth Proportional to 1,219,474.54, 1,682,738.69 and 675,475.36

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Solution

The fourth proportional to 1,219,474.54, 1,682,738.69 and 675,475.36 is: 932,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,474.54 : 1,682,738.69 = 675,475.36 : x
  2. Step 2: Convert to fraction form
    1,219,474.54/1,682,738.69 = 675,475.36/x
  3. Step 3: Cross multiply
    1,219,474.54x = 1,682,738.69 × 675,475.36
  4. Step 4: Simplify right side
    1,219,474.54x = 1,136,648,517,362.49
  5. Step 5: Solve for x
    x = 1,136,648,517,362.49/1,219,474.54
  6. Step 6: Final answer
    x = 932,080.57

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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.