Finding the Fourth Proportional to 1,080,991.70, 1,492,189.17 and 967,617.62
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Solution
The fourth proportional to 1,080,991.70, 1,492,189.17 and 967,617.62 is: 1,335,688.82
Step by Step Solution
- Step 1: Write the proportion equation
1,080,991.70 : 1,492,189.17 = 967,617.62 : x - Step 2: Convert to fraction form
1,080,991.70/1,492,189.17 = 967,617.62/x - Step 3: Cross multiply
1,080,991.70x = 1,492,189.17 × 967,617.62 - Step 4: Simplify right side
1,080,991.70x = 1,443,868,533,265.18 - Step 5: Solve for x
x = 1,443,868,533,265.18/1,080,991.70 - Step 6: Final answer
x = 1,335,688.82
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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.