Home / 1,048,289.42-1,447,546.74-994,480.58

Finding the Fourth Proportional to 1,048,289.42, 1,447,546.74 and 994,480.58

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Solution

The fourth proportional to 1,048,289.42, 1,447,546.74 and 994,480.58 is: 1,373,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,289.42 : 1,447,546.74 = 994,480.58 : x
  2. Step 2: Convert to fraction form
    1,048,289.42/1,447,546.74 = 994,480.58/x
  3. Step 3: Cross multiply
    1,048,289.42x = 1,447,546.74 × 994,480.58
  4. Step 4: Simplify right side
    1,048,289.42x = 1,439,557,121,572.31
  5. Step 5: Solve for x
    x = 1,439,557,121,572.31/1,048,289.42
  6. Step 6: Final answer
    x = 1,373,243.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.