Finding the Fourth Proportional to 1,428,567.08, 2,142,719.39 and 481,946
Calculator
Solution
The fourth proportional to 1,428,567.08, 2,142,719.39 and 481,946 is: 722,874.73
Step by Step Solution
- Step 1: Write the proportion equation
1,428,567.08 : 2,142,719.39 = 481,946 : x - Step 2: Convert to fraction form
1,428,567.08/2,142,719.39 = 481,946/x - Step 3: Cross multiply
1,428,567.08x = 2,142,719.39 × 481,946 - Step 4: Simplify right side
1,428,567.08x = 1,032,675,039,132.94 - Step 5: Solve for x
x = 1,032,675,039,132.94/1,428,567.08 - Step 6: Final answer
x = 722,874.73
Related Problems
Find fourth proportional to 714,283.54, 1,071,359.70 and 240,973
Half scale
Find fourth proportional to 2,857,134.16, 4,285,438.78 and 963,892
Double scale
Find fourth proportional to 1,428,568.08, 2,142,720.89 and 481,947
Similar ratio
Find fourth proportional to 2,142,850.62, 3,214,079.09 and 722,919
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.