Finding the Fourth Proportional to 1,272,591.04, 1,756,179.84 and 699,640.96
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Solution
The fourth proportional to 1,272,591.04, 1,756,179.84 and 699,640.96 is: 965,506.84
Step by Step Solution
- Step 1: Write the proportion equation
1,272,591.04 : 1,756,179.84 = 699,640.96 : x - Step 2: Convert to fraction form
1,272,591.04/1,756,179.84 = 699,640.96/x - Step 3: Cross multiply
1,272,591.04x = 1,756,179.84 × 699,640.96 - Step 4: Simplify right side
1,272,591.04x = 1,228,695,349,190.25 - Step 5: Solve for x
x = 1,228,695,349,190.25/1,272,591.04 - Step 6: Final answer
x = 965,506.84
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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.