Finding the Fourth Proportional to 1,324,037.22, 1,827,305.79 and 780,348.18
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Solution
The fourth proportional to 1,324,037.22, 1,827,305.79 and 780,348.18 is: 1,076,959.72
Step by Step Solution
- Step 1: Write the proportion equation
1,324,037.22 : 1,827,305.79 = 780,348.18 : x - Step 2: Convert to fraction form
1,324,037.22/1,827,305.79 = 780,348.18/x - Step 3: Cross multiply
1,324,037.22x = 1,827,305.79 × 780,348.18 - Step 4: Simplify right side
1,324,037.22x = 1,425,934,747,529.96 - Step 5: Solve for x
x = 1,425,934,747,529.96/1,324,037.22 - Step 6: Final answer
x = 1,076,959.72
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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.