Home / 1,132,391.21-1,698,061.94-422,228.57

Finding the Fourth Proportional to 1,132,391.21, 1,698,061.94 and 422,228.57

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Solution

The fourth proportional to 1,132,391.21, 1,698,061.94 and 422,228.57 is: 633,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,391.21 : 1,698,061.94 = 422,228.57 : x
  2. Step 2: Convert to fraction form
    1,132,391.21/1,698,061.94 = 422,228.57/x
  3. Step 3: Cross multiply
    1,132,391.21x = 1,698,061.94 × 422,228.57
  4. Step 4: Simplify right side
    1,132,391.21x = 716,970,264,697.63
  5. Step 5: Solve for x
    x = 716,970,264,697.63/1,132,391.21
  6. Step 6: Final answer
    x = 633,147.15

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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.