Finding the Fourth Proportional to 1,354,944.36, 1,869,857.55 and 743,121.48
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Solution
The fourth proportional to 1,354,944.36, 1,869,857.55 and 743,121.48 is: 1,025,526.47
Step by Step Solution
- Step 1: Write the proportion equation
1,354,944.36 : 1,869,857.55 = 743,121.48 : x - Step 2: Convert to fraction form
1,354,944.36/1,869,857.55 = 743,121.48/x - Step 3: Cross multiply
1,354,944.36x = 1,869,857.55 × 743,121.48 - Step 4: Simplify right side
1,354,944.36x = 1,389,531,309,945.17 - Step 5: Solve for x
x = 1,389,531,309,945.17/1,354,944.36 - Step 6: Final answer
x = 1,025,526.47
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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.