Home / 1,172,135.88-1,755,336.42-1,058,540.67

Finding the Fourth Proportional to 1,172,135.88, 1,755,336.42 and 1,058,540.67

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Solution

The fourth proportional to 1,172,135.88, 1,755,336.42 and 1,058,540.67 is: 1,585,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,135.88 : 1,755,336.42 = 1,058,540.67 : x
  2. Step 2: Convert to fraction form
    1,172,135.88/1,755,336.42 = 1,058,540.67/x
  3. Step 3: Cross multiply
    1,172,135.88x = 1,755,336.42 × 1,058,540.67
  4. Step 4: Simplify right side
    1,172,135.88x = 1,858,094,990,102.20
  5. Step 5: Solve for x
    x = 1,858,094,990,102.20/1,172,135.88
  6. Step 6: Final answer
    x = 1,585,221.49

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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.