Finding the Fourth Proportional to 1,136,115.84, 1,574,467.68 and 1,120,080
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Solution
The fourth proportional to 1,136,115.84, 1,574,467.68 and 1,120,080 is: 1,552,244.67
Step by Step Solution
- Step 1: Write the proportion equation
1,136,115.84 : 1,574,467.68 = 1,120,080 : x - Step 2: Convert to fraction form
1,136,115.84/1,574,467.68 = 1,120,080/x - Step 3: Cross multiply
1,136,115.84x = 1,574,467.68 × 1,120,080 - Step 4: Simplify right side
1,136,115.84x = 1,763,529,759,014.40 - Step 5: Solve for x
x = 1,763,529,759,014.40/1,136,115.84 - Step 6: Final answer
x = 1,552,244.67
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.