Finding the Fourth Proportional to 1,382,589.66, 1,908,087.30 and 762,516.09
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Solution
The fourth proportional to 1,382,589.66, 1,908,087.30 and 762,516.09 is: 1,052,334.84
Step by Step Solution
- Step 1: Write the proportion equation
1,382,589.66 : 1,908,087.30 = 762,516.09 : x - Step 2: Convert to fraction form
1,382,589.66/1,908,087.30 = 762,516.09/x - Step 3: Cross multiply
1,382,589.66x = 1,908,087.30 × 762,516.09 - Step 4: Simplify right side
1,382,589.66x = 1,454,947,267,374.66 - Step 5: Solve for x
x = 1,454,947,267,374.66/1,382,589.66 - Step 6: Final answer
x = 1,052,334.84
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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.