Finding the Fourth Proportional to 1,718,389.06, 2,578,648 and 999,069.26
Calculator
Solution
The fourth proportional to 1,718,389.06, 2,578,648 and 999,069.26 is: 1,499,222.74
Step by Step Solution
- Step 1: Write the proportion equation
1,718,389.06 : 2,578,648 = 999,069.26 : x - Step 2: Convert to fraction form
1,718,389.06/2,578,648 = 999,069.26/x - Step 3: Cross multiply
1,718,389.06x = 2,578,648 × 999,069.26 - Step 4: Simplify right side
1,718,389.06x = 2,576,247,949,160.48 - Step 5: Solve for x
x = 2,576,247,949,160.48/1,718,389.06 - Step 6: Final answer
x = 1,499,222.74
Related Problems
Find fourth proportional to 859,194.53, 1,289,324 and 499,534.63
Half scale
Find fourth proportional to 3,436,778.12, 5,157,296 and 1,998,138.52
Double scale
Find fourth proportional to 1,718,390.06, 2,578,649.50 and 999,070.26
Similar ratio
Find fourth proportional to 2,577,583.59, 3,867,972 and 1,498,603.89
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.