Finding the Fourth Proportional to 1,261,114.84, 1,891,972.36 and 408,186.48
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Solution
The fourth proportional to 1,261,114.84, 1,891,972.36 and 408,186.48 is: 612,376.85
Step by Step Solution
- Step 1: Write the proportion equation
1,261,114.84 : 1,891,972.36 = 408,186.48 : x - Step 2: Convert to fraction form
1,261,114.84/1,891,972.36 = 408,186.48/x - Step 3: Cross multiply
1,261,114.84x = 1,891,972.36 × 408,186.48 - Step 4: Simplify right side
1,261,114.84x = 772,277,537,885.69 - Step 5: Solve for x
x = 772,277,537,885.69/1,261,114.84 - Step 6: Final answer
x = 612,376.85
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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.