Home / 1,556,949.20-2,334,986.40-492,317.60

Finding the Fourth Proportional to 1,556,949.20, 2,334,986.40 and 492,317.60

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Solution

The fourth proportional to 1,556,949.20, 2,334,986.40 and 492,317.60 is: 738,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,949.20 : 2,334,986.40 = 492,317.60 : x
  2. Step 2: Convert to fraction form
    1,556,949.20/2,334,986.40 = 492,317.60/x
  3. Step 3: Cross multiply
    1,556,949.20x = 2,334,986.40 × 492,317.60
  4. Step 4: Simplify right side
    1,556,949.20x = 1,149,554,900,480.64
  5. Step 5: Solve for x
    x = 1,149,554,900,480.64/1,556,949.20
  6. Step 6: Final answer
    x = 738,338.09

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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.