Home / 1,447,051.20-2,169,021.60-548,145.60

Finding the Fourth Proportional to 1,447,051.20, 2,169,021.60 and 548,145.60

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Solution

The fourth proportional to 1,447,051.20, 2,169,021.60 and 548,145.60 is: 821,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,051.20 : 2,169,021.60 = 548,145.60 : x
  2. Step 2: Convert to fraction form
    1,447,051.20/2,169,021.60 = 548,145.60/x
  3. Step 3: Cross multiply
    1,447,051.20x = 2,169,021.60 × 548,145.60
  4. Step 4: Simplify right side
    1,447,051.20x = 1,188,939,646,344.96
  5. Step 5: Solve for x
    x = 1,188,939,646,344.96/1,447,051.20
  6. Step 6: Final answer
    x = 821,629.29

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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.