Home / 1,003,372.40-1,505,058.60-404,620.40

Finding the Fourth Proportional to 1,003,372.40, 1,505,058.60 and 404,620.40

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Solution

The fourth proportional to 1,003,372.40, 1,505,058.60 and 404,620.40 is: 606,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,372.40 : 1,505,058.60 = 404,620.40 : x
  2. Step 2: Convert to fraction form
    1,003,372.40/1,505,058.60 = 404,620.40/x
  3. Step 3: Cross multiply
    1,003,372.40x = 1,505,058.60 × 404,620.40
  4. Step 4: Simplify right side
    1,003,372.40x = 608,977,412,755.44
  5. Step 5: Solve for x
    x = 608,977,412,755.44/1,003,372.40
  6. Step 6: Final answer
    x = 606,930.60

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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.