Home / 1,821,880.80-2,733,080.40-559,519.20

Finding the Fourth Proportional to 1,821,880.80, 2,733,080.40 and 559,519.20

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Solution

The fourth proportional to 1,821,880.80, 2,733,080.40 and 559,519.20 is: 839,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,880.80 : 2,733,080.40 = 559,519.20 : x
  2. Step 2: Convert to fraction form
    1,821,880.80/2,733,080.40 = 559,519.20/x
  3. Step 3: Cross multiply
    1,821,880.80x = 2,733,080.40 × 559,519.20
  4. Step 4: Simplify right side
    1,821,880.80x = 1,529,210,958,943.68
  5. Step 5: Solve for x
    x = 1,529,210,958,943.68/1,821,880.80
  6. Step 6: Final answer
    x = 839,358.40

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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.