Finding the Fourth Proportional to 1,100,631.68, 1,519,194.24 and 718,717.76
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Solution
The fourth proportional to 1,100,631.68, 1,519,194.24 and 718,717.76 is: 992,041.12
Step by Step Solution
- Step 1: Write the proportion equation
1,100,631.68 : 1,519,194.24 = 718,717.76 : x - Step 2: Convert to fraction form
1,100,631.68/1,519,194.24 = 718,717.76/x - Step 3: Cross multiply
1,100,631.68x = 1,519,194.24 × 718,717.76 - Step 4: Simplify right side
1,100,631.68x = 1,091,871,881,177.70 - Step 5: Solve for x
x = 1,091,871,881,177.70/1,100,631.68 - Step 6: Final answer
x = 992,041.12
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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.