Finding the Fourth Proportional to 1,064,853.09, 1,469,486.07 and 581,416.74
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Solution
The fourth proportional to 1,064,853.09, 1,469,486.07 and 581,416.74 is: 802,348.99
Step by Step Solution
- Step 1: Write the proportion equation
1,064,853.09 : 1,469,486.07 = 581,416.74 : x - Step 2: Convert to fraction form
1,064,853.09/1,469,486.07 = 581,416.74/x - Step 3: Cross multiply
1,064,853.09x = 1,469,486.07 × 581,416.74 - Step 4: Simplify right side
1,064,853.09x = 854,383,800,294.81 - Step 5: Solve for x
x = 854,383,800,294.81/1,064,853.09 - 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.