Finding the Fourth Proportional to 972,045.20, 1,357,714 and 972,045.20
Calculator
Solution
The fourth proportional to 972,045.20, 1,357,714 and 972,045.20 is: 1,357,714
Step by Step Solution
- Step 1: Write the proportion equation
972,045.20 : 1,357,714 = 972,045.20 : x - Step 2: Convert to fraction form
972,045.20/1,357,714 = 972,045.20/x - Step 3: Cross multiply
972,045.20x = 1,357,714 × 972,045.20 - Step 4: Simplify right side
972,045.20x = 1,319,759,376,672.80 - Step 5: Solve for x
x = 1,319,759,376,672.80/972,045.20 - Step 6: Final answer
x = 1,357,714
Related Problems
Find fourth proportional to 486,022.60, 678,857 and 486,022.60
Half scale
Find fourth proportional to 1,944,090.40, 2,715,428 and 1,944,090.40
Double scale
Find fourth proportional to 972,046.20, 1,357,715.40 and 972,046.20
Similar ratio
Find fourth proportional to 1,458,067.80, 2,036,571 and 1,458,067.80
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.