Finding the Fourth Proportional to 1,276,699.68, 1,761,845.12 and 703,749.42
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Solution
The fourth proportional to 1,276,699.68, 1,761,845.12 and 703,749.42 is: 971,173.96
Step by Step Solution
- Step 1: Write the proportion equation
1,276,699.68 : 1,761,845.12 = 703,749.42 : x - Step 2: Convert to fraction form
1,276,699.68/1,761,845.12 = 703,749.42/x - Step 3: Cross multiply
1,276,699.68x = 1,761,845.12 × 703,749.42 - Step 4: Simplify right side
1,276,699.68x = 1,239,897,477,811.08 - Step 5: Solve for x
x = 1,239,897,477,811.08/1,276,699.68 - Step 6: Final answer
x = 971,173.96
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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.