Finding the Fourth Proportional to 1,206,554.32, 1,810,064.76 and 458,542
Calculator
Solution
The fourth proportional to 1,206,554.32, 1,810,064.76 and 458,542 is: 687,901.66
Step by Step Solution
- Step 1: Write the proportion equation
1,206,554.32 : 1,810,064.76 = 458,542 : x - Step 2: Convert to fraction form
1,206,554.32/1,810,064.76 = 458,542/x - Step 3: Cross multiply
1,206,554.32x = 1,810,064.76 × 458,542 - Step 4: Simplify right side
1,206,554.32x = 829,990,715,179.92 - Step 5: Solve for x
x = 829,990,715,179.92/1,206,554.32 - Step 6: Final answer
x = 687,901.66
Related Problems
Find fourth proportional to 603,277.16, 905,032.38 and 229,271
Half scale
Find fourth proportional to 2,413,108.64, 3,620,129.52 and 917,084
Double scale
Find fourth proportional to 1,206,555.32, 1,810,066.26 and 458,543
Similar ratio
Find fourth proportional to 1,809,831.48, 2,715,097.14 and 687,813
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.