Finding the Fourth Proportional to 1,403,008.74, 2,104,517.49 and 392,124
Calculator
Solution
The fourth proportional to 1,403,008.74, 2,104,517.49 and 392,124 is: 588,187.22
Step by Step Solution
- Step 1: Write the proportion equation
1,403,008.74 : 2,104,517.49 = 392,124 : x - Step 2: Convert to fraction form
1,403,008.74/2,104,517.49 = 392,124/x - Step 3: Cross multiply
1,403,008.74x = 2,104,517.49 × 392,124 - Step 4: Simplify right side
1,403,008.74x = 825,231,816,248.76 - Step 5: Solve for x
x = 825,231,816,248.76/1,403,008.74 - Step 6: Final answer
x = 588,187.22
Related Problems
Find fourth proportional to 701,504.37, 1,052,258.75 and 196,062
Half scale
Find fourth proportional to 2,806,017.48, 4,209,034.98 and 784,248
Double scale
Find fourth proportional to 1,403,009.74, 2,104,518.99 and 392,125
Similar ratio
Find fourth proportional to 2,104,513.11, 3,156,776.24 and 588,186
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.