Finding the Fourth Proportional to 1,081,410.73, 1,622,208.35 and 282,690.99
Calculator
Solution
The fourth proportional to 1,081,410.73, 1,622,208.35 and 282,690.99 is: 424,060.60
Step by Step Solution
- Step 1: Write the proportion equation
1,081,410.73 : 1,622,208.35 = 282,690.99 : x - Step 2: Convert to fraction form
1,081,410.73/1,622,208.35 = 282,690.99/x - Step 3: Cross multiply
1,081,410.73x = 1,622,208.35 × 282,690.99 - Step 4: Simplify right side
1,081,410.73x = 458,583,685,154.49 - Step 5: Solve for x
x = 458,583,685,154.49/1,081,410.73 - Step 6: Final answer
x = 424,060.60
Related Problems
Find fourth proportional to 540,705.36, 811,104.18 and 141,345.50
Half scale
Find fourth proportional to 2,162,821.46, 3,244,416.71 and 565,381.98
Double scale
Find fourth proportional to 1,081,411.73, 1,622,209.85 and 282,691.99
Similar ratio
Find fourth proportional to 1,622,116.09, 2,433,312.53 and 424,036.49
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.