Finding the Fourth Proportional to 1,214,207.76, 1,676,173.68 and 704,812.08
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Solution
The fourth proportional to 1,214,207.76, 1,676,173.68 and 704,812.08 is: 972,969.78
Step by Step Solution
- Step 1: Write the proportion equation
1,214,207.76 : 1,676,173.68 = 704,812.08 : x - Step 2: Convert to fraction form
1,214,207.76/1,676,173.68 = 704,812.08/x - Step 3: Cross multiply
1,214,207.76x = 1,676,173.68 × 704,812.08 - Step 4: Simplify right side
1,214,207.76x = 1,181,387,457,842.05 - Step 5: Solve for x
x = 1,181,387,457,842.05/1,214,207.76 - Step 6: Final answer
x = 972,969.78
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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.