Finding the Fourth Proportional to 1,175,616.24, 1,622,369.16 and 666,307.68
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Solution
The fourth proportional to 1,175,616.24, 1,622,369.16 and 666,307.68 is: 919,515.22
Step by Step Solution
- Step 1: Write the proportion equation
1,175,616.24 : 1,622,369.16 = 666,307.68 : x - Step 2: Convert to fraction form
1,175,616.24/1,622,369.16 = 666,307.68/x - Step 3: Cross multiply
1,175,616.24x = 1,622,369.16 × 666,307.68 - Step 4: Simplify right side
1,175,616.24x = 1,080,997,031,103.15 - Step 5: Solve for x
x = 1,080,997,031,103.15/1,175,616.24 - Step 6: Final answer
x = 919,515.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.