Finding the Fourth Proportional to 1,372,243.75, 1,893,696.51 and 835,699.75
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Solution
The fourth proportional to 1,372,243.75, 1,893,696.51 and 835,699.75 is: 1,153,265.74
Step by Step Solution
- Step 1: Write the proportion equation
1,372,243.75 : 1,893,696.51 = 835,699.75 : x - Step 2: Convert to fraction form
1,372,243.75/1,893,696.51 = 835,699.75/x - Step 3: Cross multiply
1,372,243.75x = 1,893,696.51 × 835,699.75 - Step 4: Simplify right side
1,372,243.75x = 1,582,561,699,982.87 - Step 5: Solve for x
x = 1,582,561,699,982.87/1,372,243.75 - Step 6: Final answer
x = 1,153,265.74
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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.