Finding the Fourth Proportional to 1,166,835, 1,750,252.50 and 280,371
Calculator
Solution
The fourth proportional to 1,166,835, 1,750,252.50 and 280,371 is: 420,556.50
Step by Step Solution
- Step 1: Write the proportion equation
1,166,835 : 1,750,252.50 = 280,371 : x - Step 2: Convert to fraction form
1,166,835/1,750,252.50 = 280,371/x - Step 3: Cross multiply
1,166,835x = 1,750,252.50 × 280,371 - Step 4: Simplify right side
1,166,835x = 490,720,043,677.50 - Step 5: Solve for x
x = 490,720,043,677.50/1,166,835 - Step 6: Final answer
x = 420,556.50
Related Problems
Find fourth proportional to 583,417.50, 875,126.25 and 140,185.50
Half scale
Find fourth proportional to 2,333,670, 3,500,505 and 560,742
Double scale
Find fourth proportional to 1,166,836, 1,750,254 and 280,372
Similar ratio
Find fourth proportional to 1,750,252.50, 2,625,378.75 and 420,556.50
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.