Finding the Fourth Proportional to 1,061,371.68, 1,592,053.92 and 430,284
Calculator
Solution
The fourth proportional to 1,061,371.68, 1,592,053.92 and 430,284 is: 645,424.54
Step by Step Solution
- Step 1: Write the proportion equation
1,061,371.68 : 1,592,053.92 = 430,284 : x - Step 2: Convert to fraction form
1,061,371.68/1,592,053.92 = 430,284/x - Step 3: Cross multiply
1,061,371.68x = 1,592,053.92 × 430,284 - Step 4: Simplify right side
1,061,371.68x = 685,035,328,913.28 - Step 5: Solve for x
x = 685,035,328,913.28/1,061,371.68 - Step 6: Final answer
x = 645,424.54
Related Problems
Find fourth proportional to 530,685.84, 796,026.96 and 215,142
Half scale
Find fourth proportional to 2,122,743.36, 3,184,107.84 and 860,568
Double scale
Find fourth proportional to 1,061,372.68, 1,592,055.42 and 430,285
Similar ratio
Find fourth proportional to 1,592,057.52, 2,388,080.88 and 645,426
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.