Finding the Fourth Proportional to 1,252,865.94, 1,728,956.14 and 679,906.14
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Solution
The fourth proportional to 1,252,865.94, 1,728,956.14 and 679,906.14 is: 938,271.09
Step by Step Solution
- Step 1: Write the proportion equation
1,252,865.94 : 1,728,956.14 = 679,906.14 : x - Step 2: Convert to fraction form
1,252,865.94/1,728,956.14 = 679,906.14/x - Step 3: Cross multiply
1,252,865.94x = 1,728,956.14 × 679,906.14 - Step 4: Simplify right side
1,252,865.94x = 1,175,527,895,376.70 - Step 5: Solve for x
x = 1,175,527,895,376.70/1,252,865.94 - Step 6: Final answer
x = 938,271.09
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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.