Finding the Fourth Proportional to 1,175,148.84, 1,611,143.97 and 1,153,891.20
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Solution
The fourth proportional to 1,175,148.84, 1,611,143.97 and 1,153,891.20 is: 1,581,999.48
Step by Step Solution
- Step 1: Write the proportion equation
1,175,148.84 : 1,611,143.97 = 1,153,891.20 : x - Step 2: Convert to fraction form
1,175,148.84/1,611,143.97 = 1,153,891.20/x - Step 3: Cross multiply
1,175,148.84x = 1,611,143.97 × 1,153,891.20 - Step 4: Simplify right side
1,175,148.84x = 1,859,084,848,916.06 - Step 5: Solve for x
x = 1,859,084,848,916.06/1,175,148.84 - Step 6: Final answer
x = 1,581,999.48
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.