Finding the Fourth Proportional to 1,044,580.20, 1,440,990.12 and 682,216.17
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Solution
The fourth proportional to 1,044,580.20, 1,440,990.12 and 682,216.17 is: 941,111.81
Step by Step Solution
- Step 1: Write the proportion equation
1,044,580.20 : 1,440,990.12 = 682,216.17 : x - Step 2: Convert to fraction form
1,044,580.20/1,440,990.12 = 682,216.17/x - Step 3: Cross multiply
1,044,580.20x = 1,440,990.12 × 682,216.17 - Step 4: Simplify right side
1,044,580.20x = 983,066,760,674.24 - Step 5: Solve for x
x = 983,066,760,674.24/1,044,580.20 - Step 6: Final answer
x = 941,111.81
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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.