Finding the Fourth Proportional to 1,351,794.92, 1,865,439.99 and 771,004.94
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Solution
The fourth proportional to 1,351,794.92, 1,865,439.99 and 771,004.94 is: 1,063,965.71
Step by Step Solution
- Step 1: Write the proportion equation
1,351,794.92 : 1,865,439.99 = 771,004.94 : x - Step 2: Convert to fraction form
1,351,794.92/1,865,439.99 = 771,004.94/x - Step 3: Cross multiply
1,351,794.92x = 1,865,439.99 × 771,004.94 - Step 4: Simplify right side
1,351,794.92x = 1,438,263,438,236.35 - Step 5: Solve for x
x = 1,438,263,438,236.35/1,351,794.92 - Step 6: Final answer
x = 1,063,965.71
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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.