Finding the Fourth Proportional to 1,001,623.26, 1,382,188.68 and 571,819.44
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Solution
The fourth proportional to 1,001,623.26, 1,382,188.68 and 571,819.44 is: 789,081.47
Step by Step Solution
- Step 1: Write the proportion equation
1,001,623.26 : 1,382,188.68 = 571,819.44 : x - Step 2: Convert to fraction form
1,001,623.26/1,382,188.68 = 571,819.44/x - Step 3: Cross multiply
1,001,623.26x = 1,382,188.68 × 571,819.44 - Step 4: Simplify right side
1,001,623.26x = 790,362,356,971.94 - Step 5: Solve for x
x = 790,362,356,971.94/1,001,623.26 - Step 6: Final answer
x = 789,081.47
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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.