Finding the Fourth Proportional to 1,188,827.98, 1,640,737.36 and 665,737.82
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Solution
The fourth proportional to 1,188,827.98, 1,640,737.36 and 665,737.82 is: 918,804.85
Step by Step Solution
- Step 1: Write the proportion equation
1,188,827.98 : 1,640,737.36 = 665,737.82 : x - Step 2: Convert to fraction form
1,188,827.98/1,640,737.36 = 665,737.82/x - Step 3: Cross multiply
1,188,827.98x = 1,640,737.36 × 665,737.82 - Step 4: Simplify right side
1,188,827.98x = 1,092,300,913,238.96 - Step 5: Solve for x
x = 1,092,300,913,238.96/1,188,827.98 - Step 6: Final answer
x = 918,804.85
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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.