Home / 1,646,426.36-2,469,639.47-1,085,329.64

Finding the Fourth Proportional to 1,646,426.36, 2,469,639.47 and 1,085,329.64

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Solution

The fourth proportional to 1,646,426.36, 2,469,639.47 and 1,085,329.64 is: 1,627,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,426.36 : 2,469,639.47 = 1,085,329.64 : x
  2. Step 2: Convert to fraction form
    1,646,426.36/2,469,639.47 = 1,085,329.64/x
  3. Step 3: Cross multiply
    1,646,426.36x = 2,469,639.47 × 1,085,329.64
  4. Step 4: Simplify right side
    1,646,426.36x = 2,680,372,899,130.05
  5. Step 5: Solve for x
    x = 2,680,372,899,130.05/1,646,426.36
  6. Step 6: Final answer
    x = 1,627,994.41

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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.