Finding the Fourth Proportional to 937,895.76, 1,412,686.17 and 872,198.28
Calculator
Solution
The fourth proportional to 937,895.76, 1,412,686.17 and 872,198.28 is: 1,313,730.69
Step by Step Solution
- Step 1: Write the proportion equation
937,895.76 : 1,412,686.17 = 872,198.28 : x - Step 2: Convert to fraction form
937,895.76/1,412,686.17 = 872,198.28/x - Step 3: Cross multiply
937,895.76x = 1,412,686.17 × 872,198.28 - Step 4: Simplify right side
937,895.76x = 1,232,142,447,653.79 - Step 5: Solve for x
x = 1,232,142,447,653.79/937,895.76 - Step 6: Final answer
x = 1,313,730.69
Related Problems
Find fourth proportional to 468,947.88, 706,343.09 and 436,099.14
Half scale
Find fourth proportional to 1,875,791.52, 2,825,372.34 and 1,744,396.56
Double scale
Find fourth proportional to 937,896.76, 1,412,687.68 and 872,199.28
Similar ratio
Find fourth proportional to 1,406,843.64, 2,119,029.26 and 1,308,297.42
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.