Finding the Fourth Proportional to 1,107,119.70, 1,654,613.01 and 808,229.70
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Solution
The fourth proportional to 1,107,119.70, 1,654,613.01 and 808,229.70 is: 1,207,915.80
Step by Step Solution
- Step 1: Write the proportion equation
1,107,119.70 : 1,654,613.01 = 808,229.70 : x - Step 2: Convert to fraction form
1,107,119.70/1,654,613.01 = 808,229.70/x - Step 3: Cross multiply
1,107,119.70x = 1,654,613.01 × 808,229.70 - Step 4: Simplify right side
1,107,119.70x = 1,337,307,376,688.40 - Step 5: Solve for x
x = 1,337,307,376,688.40/1,107,119.70 - Step 6: Final answer
x = 1,207,915.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.