Finding the Fourth Proportional to 1,227,229.85, 1,693,627.16 and 683,331.18
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Solution
The fourth proportional to 1,227,229.85, 1,693,627.16 and 683,331.18 is: 943,024.85
Step by Step Solution
- Step 1: Write the proportion equation
1,227,229.85 : 1,693,627.16 = 683,331.18 : x - Step 2: Convert to fraction form
1,227,229.85/1,693,627.16 = 683,331.18/x - Step 3: Cross multiply
1,227,229.85x = 1,693,627.16 × 683,331.18 - Step 4: Simplify right side
1,227,229.85x = 1,157,308,242,306.19 - Step 5: Solve for x
x = 1,157,308,242,306.19/1,227,229.85 - Step 6: Final answer
x = 943,024.85
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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.