Finding the Fourth Proportional to 1,213,550.24, 1,673,992.17 and 777,812.36
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Solution
The fourth proportional to 1,213,550.24, 1,673,992.17 and 777,812.36 is: 1,072,927.81
Step by Step Solution
- Step 1: Write the proportion equation
1,213,550.24 : 1,673,992.17 = 777,812.36 : x - Step 2: Convert to fraction form
1,213,550.24/1,673,992.17 = 777,812.36/x - Step 3: Cross multiply
1,213,550.24x = 1,673,992.17 × 777,812.36 - Step 4: Simplify right side
1,213,550.24x = 1,302,051,791,999.26 - Step 5: Solve for x
x = 1,302,051,791,999.26/1,213,550.24 - Step 6: Final answer
x = 1,072,927.81
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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.