Home / 1,266,198-1,899,297-379,734

Finding the Fourth Proportional to 1,266,198, 1,899,297 and 379,734

Calculator

Solution

The fourth proportional to 1,266,198, 1,899,297 and 379,734 is: 569,601

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,198 : 1,899,297 = 379,734 : x
  2. Step 2: Convert to fraction form
    1,266,198/1,899,297 = 379,734/x
  3. Step 3: Cross multiply
    1,266,198x = 1,899,297 × 379,734
  4. Step 4: Simplify right side
    1,266,198x = 721,227,646,998
  5. Step 5: Solve for x
    x = 721,227,646,998/1,266,198
  6. Step 6: Final answer
    x = 569,601

Related Problems

Find fourth proportional to 633,099, 949,648.50 and 189,867
Half scale
Find fourth proportional to 2,532,396, 3,798,594 and 759,468
Double scale
Find fourth proportional to 1,266,199, 1,899,298.50 and 379,735
Similar ratio
Find fourth proportional to 1,899,297, 2,848,945.50 and 569,601
1.5x scale

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.