Finding the Fourth Proportional to 1,178,127.14, 1,767,208.49 and 448,690.74
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Solution
The fourth proportional to 1,178,127.14, 1,767,208.49 and 448,690.74 is: 673,042.88
Step by Step Solution
- Step 1: Write the proportion equation
1,178,127.14 : 1,767,208.49 = 448,690.74 : x - Step 2: Convert to fraction form
1,178,127.14/1,767,208.49 = 448,690.74/x - Step 3: Cross multiply
1,178,127.14x = 1,767,208.49 × 448,690.74 - Step 4: Simplify right side
1,178,127.14x = 792,930,082,868.93 - Step 5: Solve for x
x = 792,930,082,868.93/1,178,127.14 - Step 6: Final answer
x = 673,042.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.