Finding the Fourth Proportional to 1,313,749.26, 1,812,973.17 and 710,137.26
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Solution
The fourth proportional to 1,313,749.26, 1,812,973.17 and 710,137.26 is: 979,988.98
Step by Step Solution
- Step 1: Write the proportion equation
1,313,749.26 : 1,812,973.17 = 710,137.26 : x - Step 2: Convert to fraction form
1,313,749.26/1,812,973.17 = 710,137.26/x - Step 3: Cross multiply
1,313,749.26x = 1,812,973.17 × 710,137.26 - Step 4: Simplify right side
1,313,749.26x = 1,287,459,799,397.31 - Step 5: Solve for x
x = 1,287,459,799,397.31/1,313,749.26 - Step 6: Final answer
x = 979,988.98
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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.