Home / 1,004,146.64-1,385,375.96-641,782.60

Finding the Fourth Proportional to 1,004,146.64, 1,385,375.96 and 641,782.60

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Solution

The fourth proportional to 1,004,146.64, 1,385,375.96 and 641,782.60 is: 885,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,146.64 : 1,385,375.96 = 641,782.60 : x
  2. Step 2: Convert to fraction form
    1,004,146.64/1,385,375.96 = 641,782.60/x
  3. Step 3: Cross multiply
    1,004,146.64x = 1,385,375.96 × 641,782.60
  4. Step 4: Simplify right side
    1,004,146.64x = 889,110,185,586.30
  5. Step 5: Solve for x
    x = 889,110,185,586.30/1,004,146.64
  6. Step 6: Final answer
    x = 885,438.59

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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.