Finding the Fourth Proportional to 1,117,423.40, 1,676,135.10 and 585,107.60
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Solution
The fourth proportional to 1,117,423.40, 1,676,135.10 and 585,107.60 is: 877,661.40
Step by Step Solution
- Step 1: Write the proportion equation
1,117,423.40 : 1,676,135.10 = 585,107.60 : x - Step 2: Convert to fraction form
1,117,423.40/1,676,135.10 = 585,107.60/x - Step 3: Cross multiply
1,117,423.40x = 1,676,135.10 × 585,107.60 - Step 4: Simplify right side
1,117,423.40x = 980,719,385,636.76 - Step 5: Solve for x
x = 980,719,385,636.76/1,117,423.40 - Step 6: Final answer
x = 877,661.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.