Finding the Fourth Proportional to 1,272,539.92, 1,756,138.62 and 699,594.52
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Solution
The fourth proportional to 1,272,539.92, 1,756,138.62 and 699,594.52 is: 965,458.87
Step by Step Solution
- Step 1: Write the proportion equation
1,272,539.92 : 1,756,138.62 = 699,594.52 : x - Step 2: Convert to fraction form
1,272,539.92/1,756,138.62 = 699,594.52/x - Step 3: Cross multiply
1,272,539.92x = 1,756,138.62 × 699,594.52 - Step 4: Simplify right side
1,272,539.92x = 1,228,584,954,912.36 - Step 5: Solve for x
x = 1,228,584,954,912.36/1,272,539.92 - Step 6: Final answer
x = 965,458.87
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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.