Home / 1,388,528.06-2,082,043.19-629,955.60

Finding the Fourth Proportional to 1,388,528.06, 2,082,043.19 and 629,955.60

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Solution

The fourth proportional to 1,388,528.06, 2,082,043.19 and 629,955.60 is: 944,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,528.06 : 2,082,043.19 = 629,955.60 : x
  2. Step 2: Convert to fraction form
    1,388,528.06/2,082,043.19 = 629,955.60/x
  3. Step 3: Cross multiply
    1,388,528.06x = 2,082,043.19 × 629,955.60
  4. Step 4: Simplify right side
    1,388,528.06x = 1,311,594,774,773.33
  5. Step 5: Solve for x
    x = 1,311,594,774,773.33/1,388,528.06
  6. Step 6: Final answer
    x = 944,593.64

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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.