Finding the Fourth Proportional to 1,368,446.88, 1,888,424.08 and 764,891.04
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Solution
The fourth proportional to 1,368,446.88, 1,888,424.08 and 764,891.04 is: 1,055,531.41
Step by Step Solution
- Step 1: Write the proportion equation
1,368,446.88 : 1,888,424.08 = 764,891.04 : x - Step 2: Convert to fraction form
1,368,446.88/1,888,424.08 = 764,891.04/x - Step 3: Cross multiply
1,368,446.88x = 1,888,424.08 × 764,891.04 - Step 4: Simplify right side
1,368,446.88x = 1,444,438,658,512.24 - Step 5: Solve for x
x = 1,444,438,658,512.24/1,368,446.88 - Step 6: Final answer
x = 1,055,531.41
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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.