Finding the Fourth Proportional to 1,270,240.62, 1,902,869.75 and 736,640.63
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Solution
The fourth proportional to 1,270,240.62, 1,902,869.75 and 736,640.63 is: 1,103,516.26
Step by Step Solution
- Step 1: Write the proportion equation
1,270,240.62 : 1,902,869.75 = 736,640.63 : x - Step 2: Convert to fraction form
1,270,240.62/1,902,869.75 = 736,640.63/x - Step 3: Cross multiply
1,270,240.62x = 1,902,869.75 × 736,640.63 - Step 4: Simplify right side
1,270,240.62x = 1,401,731,170,910.96 - Step 5: Solve for x
x = 1,401,731,170,910.96/1,270,240.62 - Step 6: Final answer
x = 1,103,516.26
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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.