Finding the Fourth Proportional to 1,273,771.01, 1,756,331.28 and 1,015,445.99
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Solution
The fourth proportional to 1,273,771.01, 1,756,331.28 and 1,015,445.99 is: 1,400,141.42
Step by Step Solution
- Step 1: Write the proportion equation
1,273,771.01 : 1,756,331.28 = 1,015,445.99 : x - Step 2: Convert to fraction form
1,273,771.01/1,756,331.28 = 1,015,445.99/x - Step 3: Cross multiply
1,273,771.01x = 1,756,331.28 × 1,015,445.99 - Step 4: Simplify right side
1,273,771.01x = 1,783,459,546,605.91 - Step 5: Solve for x
x = 1,783,459,546,605.91/1,273,771.01 - Step 6: Final answer
x = 1,400,141.42
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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.