Finding the Fourth Proportional to 1,296,555.40, 1,944,833.10 and 848,657.80
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Solution
The fourth proportional to 1,296,555.40, 1,944,833.10 and 848,657.80 is: 1,272,986.70
Step by Step Solution
- Step 1: Write the proportion equation
1,296,555.40 : 1,944,833.10 = 848,657.80 : x - Step 2: Convert to fraction form
1,296,555.40/1,944,833.10 = 848,657.80/x - Step 3: Cross multiply
1,296,555.40x = 1,944,833.10 × 848,657.80 - Step 4: Simplify right side
1,296,555.40x = 1,650,497,780,013.18 - Step 5: Solve for x
x = 1,650,497,780,013.18/1,296,555.40 - Step 6: Final answer
x = 1,272,986.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.