Finding the Fourth Proportional to 1,269,630.96, 1,905,191.22 and 471,466.68
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Solution
The fourth proportional to 1,269,630.96, 1,905,191.22 and 471,466.68 is: 707,476.59
Step by Step Solution
- Step 1: Write the proportion equation
1,269,630.96 : 1,905,191.22 = 471,466.68 : x - Step 2: Convert to fraction form
1,269,630.96/1,905,191.22 = 471,466.68/x - Step 3: Cross multiply
1,269,630.96x = 1,905,191.22 × 471,466.68 - Step 4: Simplify right side
1,269,630.96x = 898,234,179,258.55 - Step 5: Solve for x
x = 898,234,179,258.55/1,269,630.96 - Step 6: Final answer
x = 707,476.59
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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.