Finding the Fourth Proportional to 1,317,217.88, 1,817,762.49 and 713,605.88
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Solution
The fourth proportional to 1,317,217.88, 1,817,762.49 and 713,605.88 is: 984,777.09
Step by Step Solution
- Step 1: Write the proportion equation
1,317,217.88 : 1,817,762.49 = 713,605.88 : x - Step 2: Convert to fraction form
1,317,217.88/1,817,762.49 = 713,605.88/x - Step 3: Cross multiply
1,317,217.88x = 1,817,762.49 × 713,605.88 - Step 4: Simplify right side
1,317,217.88x = 1,297,165,992,218.63 - Step 5: Solve for x
x = 1,297,165,992,218.63/1,317,217.88 - Step 6: Final answer
x = 984,777.09
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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.