Home / 1,800,785.05-2,485,056.28-1,075,492.65

Finding the Fourth Proportional to 1,800,785.05, 2,485,056.28 and 1,075,492.65

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Solution

The fourth proportional to 1,800,785.05, 2,485,056.28 and 1,075,492.65 is: 1,484,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,785.05 : 2,485,056.28 = 1,075,492.65 : x
  2. Step 2: Convert to fraction form
    1,800,785.05/2,485,056.28 = 1,075,492.65/x
  3. Step 3: Cross multiply
    1,800,785.05x = 2,485,056.28 × 1,075,492.65
  4. Step 4: Simplify right side
    1,800,785.05x = 2,672,659,765,163.99
  5. Step 5: Solve for x
    x = 2,672,659,765,163.99/1,800,785.05
  6. Step 6: Final answer
    x = 1,484,163.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.