Home / 1,252,352.24-1,728,249.31-679,392.36

Finding the Fourth Proportional to 1,252,352.24, 1,728,249.31 and 679,392.36

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Solution

The fourth proportional to 1,252,352.24, 1,728,249.31 and 679,392.36 is: 937,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,352.24 : 1,728,249.31 = 679,392.36 : x
  2. Step 2: Convert to fraction form
    1,252,352.24/1,728,249.31 = 679,392.36/x
  3. Step 3: Cross multiply
    1,252,352.24x = 1,728,249.31 × 679,392.36
  4. Step 4: Simplify right side
    1,252,352.24x = 1,174,159,378,238.51
  5. Step 5: Solve for x
    x = 1,174,159,378,238.51/1,252,352.24
  6. Step 6: Final answer
    x = 937,563.20

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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.