Home / 1,431,989.20-2,147,935.20-367,041.70

Finding the Fourth Proportional to 1,431,989.20, 2,147,935.20 and 367,041.70

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Solution

The fourth proportional to 1,431,989.20, 2,147,935.20 and 367,041.70 is: 550,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,989.20 : 2,147,935.20 = 367,041.70 : x
  2. Step 2: Convert to fraction form
    1,431,989.20/2,147,935.20 = 367,041.70/x
  3. Step 3: Cross multiply
    1,431,989.20x = 2,147,935.20 × 367,041.70
  4. Step 4: Simplify right side
    1,431,989.20x = 788,381,787,297.84
  5. Step 5: Solve for x
    x = 788,381,787,297.84/1,431,989.20
  6. Step 6: Final answer
    x = 550,550.09

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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.