Finding the Fourth Proportional to 1,324,278.63, 1,827,378.09 and 743,368.77
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Solution
The fourth proportional to 1,324,278.63, 1,827,378.09 and 743,368.77 is: 1,025,777.94
Step by Step Solution
- Step 1: Write the proportion equation
1,324,278.63 : 1,827,378.09 = 743,368.77 : x - Step 2: Convert to fraction form
1,324,278.63/1,827,378.09 = 743,368.77/x - Step 3: Cross multiply
1,324,278.63x = 1,827,378.09 × 743,368.77 - Step 4: Simplify right side
1,324,278.63x = 1,358,415,803,088.25 - Step 5: Solve for x
x = 1,358,415,803,088.25/1,324,278.63 - Step 6: Final answer
x = 1,025,777.94
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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.