Home / 1,252,467.48-1,728,408.42-679,507.65

Finding the Fourth Proportional to 1,252,467.48, 1,728,408.42 and 679,507.65

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Solution

The fourth proportional to 1,252,467.48, 1,728,408.42 and 679,507.65 is: 937,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,467.48 : 1,728,408.42 = 679,507.65 : x
  2. Step 2: Convert to fraction form
    1,252,467.48/1,728,408.42 = 679,507.65/x
  3. Step 3: Cross multiply
    1,252,467.48x = 1,728,408.42 × 679,507.65
  4. Step 4: Simplify right side
    1,252,467.48x = 1,174,466,735,072.37
  5. Step 5: Solve for x
    x = 1,174,466,735,072.37/1,252,467.48
  6. Step 6: Final answer
    x = 937,722.34

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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.