Finding the Fourth Proportional to 1,476,145.68, 2,037,088.20 and 831,576
Calculator
Solution
The fourth proportional to 1,476,145.68, 2,037,088.20 and 831,576 is: 1,147,578.91
Step by Step Solution
- Step 1: Write the proportion equation
1,476,145.68 : 2,037,088.20 = 831,576 : x - Step 2: Convert to fraction form
1,476,145.68/2,037,088.20 = 831,576/x - Step 3: Cross multiply
1,476,145.68x = 2,037,088.20 × 831,576 - Step 4: Simplify right side
1,476,145.68x = 1,693,993,657,003.20 - Step 5: Solve for x
x = 1,693,993,657,003.20/1,476,145.68 - Step 6: Final answer
x = 1,147,578.91
Related Problems
Find fourth proportional to 738,072.84, 1,018,544.10 and 415,788
Half scale
Find fourth proportional to 2,952,291.36, 4,074,176.40 and 1,663,152
Double scale
Find fourth proportional to 1,476,146.68, 2,037,089.58 and 831,577
Similar ratio
Find fourth proportional to 2,214,218.52, 3,055,632.30 and 1,247,364
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.