Finding the Fourth Proportional to 1,272,175.68, 1,755,606.24 and 699,274.56
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Solution
The fourth proportional to 1,272,175.68, 1,755,606.24 and 699,274.56 is: 965,000.98
Step by Step Solution
- Step 1: Write the proportion equation
1,272,175.68 : 1,755,606.24 = 699,274.56 : x - Step 2: Convert to fraction form
1,272,175.68/1,755,606.24 = 699,274.56/x - Step 3: Cross multiply
1,272,175.68x = 1,755,606.24 × 699,274.56 - Step 4: Simplify right side
1,272,175.68x = 1,227,650,781,009.25 - Step 5: Solve for x
x = 1,227,650,781,009.25/1,272,175.68 - Step 6: Final answer
x = 965,000.98
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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.