Home / 1,252,429.37-1,728,355.80-679,469.54

Finding the Fourth Proportional to 1,252,429.37, 1,728,355.80 and 679,469.54

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Solution

The fourth proportional to 1,252,429.37, 1,728,355.80 and 679,469.54 is: 937,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,429.37 : 1,728,355.80 = 679,469.54 : x
  2. Step 2: Convert to fraction form
    1,252,429.37/1,728,355.80 = 679,469.54/x
  3. Step 3: Cross multiply
    1,252,429.37x = 1,728,355.80 × 679,469.54
  4. Step 4: Simplify right side
    1,252,429.37x = 1,174,365,111,740.55
  5. Step 5: Solve for x
    x = 1,174,365,111,740.55/1,252,429.37
  6. Step 6: Final answer
    x = 937,669.74

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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.