Finding the Fourth Proportional to 1,272,136.23, 1,755,473.85 and 699,176.88
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Solution
The fourth proportional to 1,272,136.23, 1,755,473.85 and 699,176.88 is: 964,823.34
Step by Step Solution
- Step 1: Write the proportion equation
1,272,136.23 : 1,755,473.85 = 699,176.88 : x - Step 2: Convert to fraction form
1,272,136.23/1,755,473.85 = 699,176.88/x - Step 3: Cross multiply
1,272,136.23x = 1,755,473.85 × 699,176.88 - Step 4: Simplify right side
1,272,136.23x = 1,227,386,729,364.59 - Step 5: Solve for x
x = 1,227,386,729,364.59/1,272,136.23 - Step 6: Final answer
x = 964,823.34
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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.