Finding the Fourth Proportional to 1,265,042.20, 1,898,438.10 and 910,310.80
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Solution
The fourth proportional to 1,265,042.20, 1,898,438.10 and 910,310.80 is: 1,366,095.70
Step by Step Solution
- Step 1: Write the proportion equation
1,265,042.20 : 1,898,438.10 = 910,310.80 : x - Step 2: Convert to fraction form
1,265,042.20/1,898,438.10 = 910,310.80/x - Step 3: Cross multiply
1,265,042.20x = 1,898,438.10 × 910,310.80 - Step 4: Simplify right side
1,265,042.20x = 1,728,168,705,561.48 - Step 5: Solve for x
x = 1,728,168,705,561.48/1,265,042.20 - Step 6: Final answer
x = 1,366,095.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.