Finding the Fourth Proportional to 1,092,646.10, 1,637,219.55 and 718,231.70
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Solution
The fourth proportional to 1,092,646.10, 1,637,219.55 and 718,231.70 is: 1,076,197.48
Step by Step Solution
- Step 1: Write the proportion equation
1,092,646.10 : 1,637,219.55 = 718,231.70 : x - Step 2: Convert to fraction form
1,092,646.10/1,637,219.55 = 718,231.70/x - Step 3: Cross multiply
1,092,646.10x = 1,637,219.55 × 718,231.70 - Step 4: Simplify right side
1,092,646.10x = 1,175,902,980,669.73 - Step 5: Solve for x
x = 1,175,902,980,669.73/1,092,646.10 - Step 6: Final answer
x = 1,076,197.48
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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.