Finding the Fourth Proportional to 1,168,509.07, 1,752,990.84 and 448,798.12
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Solution
The fourth proportional to 1,168,509.07, 1,752,990.84 and 448,798.12 is: 673,284.45
Step by Step Solution
- Step 1: Write the proportion equation
1,168,509.07 : 1,752,990.84 = 448,798.12 : x - Step 2: Convert to fraction form
1,168,509.07/1,752,990.84 = 448,798.12/x - Step 3: Cross multiply
1,168,509.07x = 1,752,990.84 × 448,798.12 - Step 4: Simplify right side
1,168,509.07x = 786,738,988,986.74 - Step 5: Solve for x
x = 786,738,988,986.74/1,168,509.07 - Step 6: Final answer
x = 673,284.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.