Finding the Fourth Proportional to 1,107,557.25, 1,528,429.62 and 598,259.63
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Solution
The fourth proportional to 1,107,557.25, 1,528,429.62 and 598,259.63 is: 825,598.62
Step by Step Solution
- Step 1: Write the proportion equation
1,107,557.25 : 1,528,429.62 = 598,259.63 : x - Step 2: Convert to fraction form
1,107,557.25/1,528,429.62 = 598,259.63/x - Step 3: Cross multiply
1,107,557.25x = 1,528,429.62 × 598,259.63 - Step 4: Simplify right side
1,107,557.25x = 914,397,738,942.24 - Step 5: Solve for x
x = 914,397,738,942.24/1,107,557.25 - Step 6: Final answer
x = 825,598.62
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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.