Finding the Fourth Proportional to 1,778,411.12, 2,454,207 and 962,614.64
Calculator
Solution
The fourth proportional to 1,778,411.12, 2,454,207 and 962,614.64 is: 1,328,408.02
Step by Step Solution
- Step 1: Write the proportion equation
1,778,411.12 : 2,454,207 = 962,614.64 : x - Step 2: Convert to fraction form
1,778,411.12/2,454,207 = 962,614.64/x - Step 3: Cross multiply
1,778,411.12x = 2,454,207 × 962,614.64 - Step 4: Simplify right side
1,778,411.12x = 2,362,455,587,790.48 - Step 5: Solve for x
x = 2,362,455,587,790.48/1,778,411.12 - Step 6: Final answer
x = 1,328,408.02
Related Problems
Find fourth proportional to 889,205.56, 1,227,103.50 and 481,307.32
Half scale
Find fourth proportional to 3,556,822.24, 4,908,414 and 1,925,229.28
Double scale
Find fourth proportional to 1,778,412.12, 2,454,208.38 and 962,615.64
Similar ratio
Find fourth proportional to 2,667,616.68, 3,681,310.50 and 1,443,921.96
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.