Finding the Fourth Proportional to 1,143,177.94, 1,577,715.47 and 659,872.81
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Solution
The fourth proportional to 1,143,177.94, 1,577,715.47 and 659,872.81 is: 910,699.47
Step by Step Solution
- Step 1: Write the proportion equation
1,143,177.94 : 1,577,715.47 = 659,872.81 : x - Step 2: Convert to fraction form
1,143,177.94/1,577,715.47 = 659,872.81/x - Step 3: Cross multiply
1,143,177.94x = 1,577,715.47 × 659,872.81 - Step 4: Simplify right side
1,143,177.94x = 1,041,091,540,569.37 - Step 5: Solve for x
x = 1,041,091,540,569.37/1,143,177.94 - Step 6: Final answer
x = 910,699.47
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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.