Home / 1,129,383.76-1,694,245.74-330,565

Finding the Fourth Proportional to 1,129,383.76, 1,694,245.74 and 330,565

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Solution

The fourth proportional to 1,129,383.76, 1,694,245.74 and 330,565 is: 495,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,383.76 : 1,694,245.74 = 330,565 : x
  2. Step 2: Convert to fraction form
    1,129,383.76/1,694,245.74 = 330,565/x
  3. Step 3: Cross multiply
    1,129,383.76x = 1,694,245.74 × 330,565
  4. Step 4: Simplify right side
    1,129,383.76x = 560,058,343,043.10
  5. Step 5: Solve for x
    x = 560,058,343,043.10/1,129,383.76
  6. Step 6: Final answer
    x = 495,897.29

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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.