Finding the Fourth Proportional to 1,276,891.36, 1,762,122 and 703,951.84
Calculator
Solution
The fourth proportional to 1,276,891.36, 1,762,122 and 703,951.84 is: 971,460.11
Step by Step Solution
- Step 1: Write the proportion equation
1,276,891.36 : 1,762,122 = 703,951.84 : x - Step 2: Convert to fraction form
1,276,891.36/1,762,122 = 703,951.84/x - Step 3: Cross multiply
1,276,891.36x = 1,762,122 × 703,951.84 - Step 4: Simplify right side
1,276,891.36x = 1,240,449,024,204.48 - Step 5: Solve for x
x = 1,240,449,024,204.48/1,276,891.36 - Step 6: Final answer
x = 971,460.11
Related Problems
Find fourth proportional to 638,445.68, 881,061 and 351,975.92
Half scale
Find fourth proportional to 2,553,782.72, 3,524,244 and 1,407,903.68
Double scale
Find fourth proportional to 1,276,892.36, 1,762,123.38 and 703,952.84
Similar ratio
Find fourth proportional to 1,915,337.04, 2,643,183 and 1,055,927.76
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.