Home / 1,257,319.62-1,886,346.87-404,372.10

Finding the Fourth Proportional to 1,257,319.62, 1,886,346.87 and 404,372.10

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Solution

The fourth proportional to 1,257,319.62, 1,886,346.87 and 404,372.10 is: 606,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,319.62 : 1,886,346.87 = 404,372.10 : x
  2. Step 2: Convert to fraction form
    1,257,319.62/1,886,346.87 = 404,372.10/x
  3. Step 3: Cross multiply
    1,257,319.62x = 1,886,346.87 × 404,372.10
  4. Step 4: Simplify right side
    1,257,319.62x = 762,786,045,150.33
  5. Step 5: Solve for x
    x = 762,786,045,150.33/1,257,319.62
  6. Step 6: Final answer
    x = 606,676.32

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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.