Finding the Fourth Proportional to 1,347,239.79, 1,859,192.60 and 743,627.79
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Solution
The fourth proportional to 1,347,239.79, 1,859,192.60 and 743,627.79 is: 1,026,207.28
Step by Step Solution
- Step 1: Write the proportion equation
1,347,239.79 : 1,859,192.60 = 743,627.79 : x - Step 2: Convert to fraction form
1,347,239.79/1,859,192.60 = 743,627.79/x - Step 3: Cross multiply
1,347,239.79x = 1,859,192.60 × 743,627.79 - Step 4: Simplify right side
1,347,239.79x = 1,382,547,280,604.22 - Step 5: Solve for x
x = 1,382,547,280,604.22/1,347,239.79 - Step 6: Final answer
x = 1,026,207.28
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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.