Finding the Fourth Proportional to 1,149,756.82, 1,586,700.42 and 659,815.99
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Solution
The fourth proportional to 1,149,756.82, 1,586,700.42 and 659,815.99 is: 910,566.73
Step by Step Solution
- Step 1: Write the proportion equation
1,149,756.82 : 1,586,700.42 = 659,815.99 : x - Step 2: Convert to fraction form
1,149,756.82/1,586,700.42 = 659,815.99/x - Step 3: Cross multiply
1,149,756.82x = 1,586,700.42 × 659,815.99 - Step 4: Simplify right side
1,149,756.82x = 1,046,930,308,455.72 - Step 5: Solve for x
x = 1,046,930,308,455.72/1,149,756.82 - Step 6: Final answer
x = 910,566.73
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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.