Finding the Fourth Proportional to 1,241,702.49, 1,713,556.16 and 725,486.66
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Solution
The fourth proportional to 1,241,702.49, 1,713,556.16 and 725,486.66 is: 1,001,175.52
Step by Step Solution
- Step 1: Write the proportion equation
1,241,702.49 : 1,713,556.16 = 725,486.66 : x - Step 2: Convert to fraction form
1,241,702.49/1,713,556.16 = 725,486.66/x - Step 3: Cross multiply
1,241,702.49x = 1,713,556.16 × 725,486.66 - Step 4: Simplify right side
1,241,702.49x = 1,243,162,136,272.88 - Step 5: Solve for x
x = 1,243,162,136,272.88/1,241,702.49 - Step 6: Final answer
x = 1,001,175.52
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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.