Home / 1,447,668.64-2,170,761-764,922.16

Finding the Fourth Proportional to 1,447,668.64, 2,170,761 and 764,922.16

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Solution

The fourth proportional to 1,447,668.64, 2,170,761 and 764,922.16 is: 1,146,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,668.64 : 2,170,761 = 764,922.16 : x
  2. Step 2: Convert to fraction form
    1,447,668.64/2,170,761 = 764,922.16/x
  3. Step 3: Cross multiply
    1,447,668.64x = 2,170,761 × 764,922.16
  4. Step 4: Simplify right side
    1,447,668.64x = 1,660,463,192,963.76
  5. Step 5: Solve for x
    x = 1,660,463,192,963.76/1,447,668.64
  6. Step 6: Final answer
    x = 1,146,991.20

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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.