Finding the Fourth Proportional to 1,272,101.94, 1,755,481.01 and 699,129.81
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Solution
The fourth proportional to 1,272,101.94, 1,755,481.01 and 699,129.81 is: 964,788.33
Step by Step Solution
- Step 1: Write the proportion equation
1,272,101.94 : 1,755,481.01 = 699,129.81 : x - Step 2: Convert to fraction form
1,272,101.94/1,755,481.01 = 699,129.81/x - Step 3: Cross multiply
1,272,101.94x = 1,755,481.01 × 699,129.81 - Step 4: Simplify right side
1,272,101.94x = 1,227,309,101,484.26 - Step 5: Solve for x
x = 1,227,309,101,484.26/1,272,101.94 - Step 6: Final answer
x = 964,788.33
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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.