Finding the Fourth Proportional to 1,321,149.66, 1,823,190.06 and 777,305.94
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Solution
The fourth proportional to 1,321,149.66, 1,823,190.06 and 777,305.94 is: 1,072,684.27
Step by Step Solution
- Step 1: Write the proportion equation
1,321,149.66 : 1,823,190.06 = 777,305.94 : x - Step 2: Convert to fraction form
1,321,149.66/1,823,190.06 = 777,305.94/x - Step 3: Cross multiply
1,321,149.66x = 1,823,190.06 × 777,305.94 - Step 4: Simplify right side
1,321,149.66x = 1,417,176,463,386.96 - Step 5: Solve for x
x = 1,417,176,463,386.96/1,321,149.66 - Step 6: Final answer
x = 1,072,684.27
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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.