Home / 1,507,561.20-2,257,405.20-972,183.60

Finding the Fourth Proportional to 1,507,561.20, 2,257,405.20 and 972,183.60

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Solution

The fourth proportional to 1,507,561.20, 2,257,405.20 and 972,183.60 is: 1,455,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,561.20 : 2,257,405.20 = 972,183.60 : x
  2. Step 2: Convert to fraction form
    1,507,561.20/2,257,405.20 = 972,183.60/x
  3. Step 3: Cross multiply
    1,507,561.20x = 2,257,405.20 × 972,183.60
  4. Step 4: Simplify right side
    1,507,561.20x = 2,194,612,313,994.72
  5. Step 5: Solve for x
    x = 2,194,612,313,994.72/1,507,561.20
  6. Step 6: Final answer
    x = 1,455,736.80

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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.