Finding the Fourth Proportional to 1,167,276.88, 1,610,866.74 and 657,979.12
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Solution
The fourth proportional to 1,167,276.88, 1,610,866.74 and 657,979.12 is: 908,025.08
Step by Step Solution
- Step 1: Write the proportion equation
1,167,276.88 : 1,610,866.74 = 657,979.12 : x - Step 2: Convert to fraction form
1,167,276.88/1,610,866.74 = 657,979.12/x - Step 3: Cross multiply
1,167,276.88x = 1,610,866.74 × 657,979.12 - Step 4: Simplify right side
1,167,276.88x = 1,059,916,680,022.47 - Step 5: Solve for x
x = 1,059,916,680,022.47/1,167,276.88 - Step 6: Final answer
x = 908,025.08
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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.