Home / 1,108,801.19-1,663,306.82-310,082.60

Finding the Fourth Proportional to 1,108,801.19, 1,663,306.82 and 310,082.60

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Solution

The fourth proportional to 1,108,801.19, 1,663,306.82 and 310,082.60 is: 465,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,801.19 : 1,663,306.82 = 310,082.60 : x
  2. Step 2: Convert to fraction form
    1,108,801.19/1,663,306.82 = 310,082.60/x
  3. Step 3: Cross multiply
    1,108,801.19x = 1,663,306.82 × 310,082.60
  4. Step 4: Simplify right side
    1,108,801.19x = 515,762,503,343.33
  5. Step 5: Solve for x
    x = 515,762,503,343.33/1,108,801.19
  6. Step 6: Final answer
    x = 465,153.27

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Double scale
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Similar ratio
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1.5x scale

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.