Finding the Fourth Proportional to 1,044,028.62, 1,440,961.56 and 680,821.92
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Solution
The fourth proportional to 1,044,028.62, 1,440,961.56 and 680,821.92 is: 939,666.02
Step by Step Solution
- Step 1: Write the proportion equation
1,044,028.62 : 1,440,961.56 = 680,821.92 : x - Step 2: Convert to fraction form
1,044,028.62/1,440,961.56 = 680,821.92/x - Step 3: Cross multiply
1,044,028.62x = 1,440,961.56 × 680,821.92 - Step 4: Simplify right side
1,044,028.62x = 981,038,215,925.40 - Step 5: Solve for x
x = 981,038,215,925.40/1,044,028.62 - Step 6: Final answer
x = 939,666.02
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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.