Finding the Fourth Proportional to 1,272,656.44, 1,756,220.70 and 699,692.44
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Solution
The fourth proportional to 1,272,656.44, 1,756,220.70 and 699,692.44 is: 965,550.72
Step by Step Solution
- Step 1: Write the proportion equation
1,272,656.44 : 1,756,220.70 = 699,692.44 : x - Step 2: Convert to fraction form
1,272,656.44/1,756,220.70 = 699,692.44/x - Step 3: Cross multiply
1,272,656.44x = 1,756,220.70 × 699,692.44 - Step 4: Simplify right side
1,272,656.44x = 1,228,814,346,761.51 - Step 5: Solve for x
x = 1,228,814,346,761.51/1,272,656.44 - Step 6: Final answer
x = 965,550.72
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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.