Home / 1,400,474.20-2,100,841.98-1,085,284.84

Finding the Fourth Proportional to 1,400,474.20, 2,100,841.98 and 1,085,284.84

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Solution

The fourth proportional to 1,400,474.20, 2,100,841.98 and 1,085,284.84 is: 1,628,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,474.20 : 2,100,841.98 = 1,085,284.84 : x
  2. Step 2: Convert to fraction form
    1,400,474.20/2,100,841.98 = 1,085,284.84/x
  3. Step 3: Cross multiply
    1,400,474.20x = 2,100,841.98 × 1,085,284.84
  4. Step 4: Simplify right side
    1,400,474.20x = 2,280,011,952,129.58
  5. Step 5: Solve for x
    x = 2,280,011,952,129.58/1,400,474.20
  6. Step 6: Final answer
    x = 1,628,028.53

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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.