Home / 1,365,258.78-2,048,102.01-418,530.78

Finding the Fourth Proportional to 1,365,258.78, 2,048,102.01 and 418,530.78

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Solution

The fourth proportional to 1,365,258.78, 2,048,102.01 and 418,530.78 is: 627,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,258.78 : 2,048,102.01 = 418,530.78 : x
  2. Step 2: Convert to fraction form
    1,365,258.78/2,048,102.01 = 418,530.78/x
  3. Step 3: Cross multiply
    1,365,258.78x = 2,048,102.01 × 418,530.78
  4. Step 4: Simplify right side
    1,365,258.78x = 857,193,731,764.87
  5. Step 5: Solve for x
    x = 857,193,731,764.87/1,365,258.78
  6. Step 6: Final answer
    x = 627,861.72

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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.