Home / 1,321,900.64-1,824,234.42-718,288.64

Finding the Fourth Proportional to 1,321,900.64, 1,824,234.42 and 718,288.64

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Solution

The fourth proportional to 1,321,900.64, 1,824,234.42 and 718,288.64 is: 991,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,900.64 : 1,824,234.42 = 718,288.64 : x
  2. Step 2: Convert to fraction form
    1,321,900.64/1,824,234.42 = 718,288.64/x
  3. Step 3: Cross multiply
    1,321,900.64x = 1,824,234.42 × 718,288.64
  4. Step 4: Simplify right side
    1,321,900.64x = 1,310,326,860,582.99
  5. Step 5: Solve for x
    x = 1,310,326,860,582.99/1,321,900.64
  6. Step 6: Final answer
    x = 991,244.59

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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.