Home / 1,132,389.21-1,698,058.94-422,226.57

Finding the Fourth Proportional to 1,132,389.21, 1,698,058.94 and 422,226.57

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Solution

The fourth proportional to 1,132,389.21, 1,698,058.94 and 422,226.57 is: 633,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,389.21 : 1,698,058.94 = 422,226.57 : x
  2. Step 2: Convert to fraction form
    1,132,389.21/1,698,058.94 = 422,226.57/x
  3. Step 3: Cross multiply
    1,132,389.21x = 1,698,058.94 × 422,226.57
  4. Step 4: Simplify right side
    1,132,389.21x = 716,965,608,525.65
  5. Step 5: Solve for x
    x = 716,965,608,525.65/1,132,389.21
  6. Step 6: Final answer
    x = 633,144.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.