Finding the Fourth Proportional to 1,064,853.07, 1,469,486.10 and 581,416.72
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Solution
The fourth proportional to 1,064,853.07, 1,469,486.10 and 581,416.72 is: 802,348.99
Step by Step Solution
- Step 1: Write the proportion equation
1,064,853.07 : 1,469,486.10 = 581,416.72 : x - Step 2: Convert to fraction form
1,064,853.07/1,469,486.10 = 581,416.72/x - Step 3: Cross multiply
1,064,853.07x = 1,469,486.10 × 581,416.72 - Step 4: Simplify right side
1,064,853.07x = 854,383,786,854.19 - Step 5: Solve for x
x = 854,383,786,854.19/1,064,853.07 - Step 6: Final answer
x = 802,348.99
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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.