Home / 1,505,656.76-2,258,486.48-1,238,856.42

Finding the Fourth Proportional to 1,505,656.76, 2,258,486.48 and 1,238,856.42

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Solution

The fourth proportional to 1,505,656.76, 2,258,486.48 and 1,238,856.42 is: 1,858,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,656.76 : 2,258,486.48 = 1,238,856.42 : x
  2. Step 2: Convert to fraction form
    1,505,656.76/2,258,486.48 = 1,238,856.42/x
  3. Step 3: Cross multiply
    1,505,656.76x = 2,258,486.48 × 1,238,856.42
  4. Step 4: Simplify right side
    1,505,656.76x = 2,797,940,486,797.67
  5. Step 5: Solve for x
    x = 2,797,940,486,797.67/1,505,656.76
  6. Step 6: Final answer
    x = 1,858,285.75

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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.