Home / 1,132,391.71-1,698,062.69-422,229.07

Finding the Fourth Proportional to 1,132,391.71, 1,698,062.69 and 422,229.07

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Solution

The fourth proportional to 1,132,391.71, 1,698,062.69 and 422,229.07 is: 633,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,391.71 : 1,698,062.69 = 422,229.07 : x
  2. Step 2: Convert to fraction form
    1,132,391.71/1,698,062.69 = 422,229.07/x
  3. Step 3: Cross multiply
    1,132,391.71x = 1,698,062.69 × 422,229.07
  4. Step 4: Simplify right side
    1,132,391.71x = 716,971,430,400.40
  5. Step 5: Solve for x
    x = 716,971,430,400.40/1,132,391.71
  6. Step 6: Final answer
    x = 633,147.90

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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.