Finding the Fourth Proportional to 1,167,137.42, 1,610,661.94 and 657,839.79
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Solution
The fourth proportional to 1,167,137.42, 1,610,661.94 and 657,839.79 is: 907,825.85
Step by Step Solution
- Step 1: Write the proportion equation
1,167,137.42 : 1,610,661.94 = 657,839.79 : x - Step 2: Convert to fraction form
1,167,137.42/1,610,661.94 = 657,839.79/x - Step 3: Cross multiply
1,167,137.42x = 1,610,661.94 × 657,839.79 - Step 4: Simplify right side
1,167,137.42x = 1,059,557,510,725.99 - Step 5: Solve for x
x = 1,059,557,510,725.99/1,167,137.42 - Step 6: Final answer
x = 907,825.85
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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.