Home / 1,439,556.14-2,159,112.78-480,028.43

Finding the Fourth Proportional to 1,439,556.14, 2,159,112.78 and 480,028.43

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Solution

The fourth proportional to 1,439,556.14, 2,159,112.78 and 480,028.43 is: 719,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,556.14 : 2,159,112.78 = 480,028.43 : x
  2. Step 2: Convert to fraction form
    1,439,556.14/2,159,112.78 = 480,028.43/x
  3. Step 3: Cross multiply
    1,439,556.14x = 2,159,112.78 × 480,028.43
  4. Step 4: Simplify right side
    1,439,556.14x = 1,036,435,523,374.12
  5. Step 5: Solve for x
    x = 1,036,435,523,374.12/1,439,556.14
  6. Step 6: Final answer
    x = 719,968.81

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Double scale
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1.5x scale

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.