Finding the Fourth Proportional to 1,092,645.10, 1,637,218.05 and 718,230.70
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Solution
The fourth proportional to 1,092,645.10, 1,637,218.05 and 718,230.70 is: 1,076,195.98
Step by Step Solution
- Step 1: Write the proportion equation
1,092,645.10 : 1,637,218.05 = 718,230.70 : x - Step 2: Convert to fraction form
1,092,645.10/1,637,218.05 = 718,230.70/x - Step 3: Cross multiply
1,092,645.10x = 1,637,218.05 × 718,230.70 - Step 4: Simplify right side
1,092,645.10x = 1,175,900,266,104.14 - Step 5: Solve for x
x = 1,175,900,266,104.14/1,092,645.10 - Step 6: Final answer
x = 1,076,195.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.