Home / 1,108,783.19-1,663,279.82-310,064.60

Finding the Fourth Proportional to 1,108,783.19, 1,663,279.82 and 310,064.60

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Solution

The fourth proportional to 1,108,783.19, 1,663,279.82 and 310,064.60 is: 465,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,783.19 : 1,663,279.82 = 310,064.60 : x
  2. Step 2: Convert to fraction form
    1,108,783.19/1,663,279.82 = 310,064.60/x
  3. Step 3: Cross multiply
    1,108,783.19x = 1,663,279.82 × 310,064.60
  4. Step 4: Simplify right side
    1,108,783.19x = 515,724,192,076.37
  5. Step 5: Solve for x
    x = 515,724,192,076.37/1,108,783.19
  6. Step 6: Final answer
    x = 465,126.27

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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.