Finding the Fourth Proportional to 1,296,037.40, 1,941,431.70 and 734,415.80
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Solution
The fourth proportional to 1,296,037.40, 1,941,431.70 and 734,415.80 is: 1,100,136.55
Step by Step Solution
- Step 1: Write the proportion equation
1,296,037.40 : 1,941,431.70 = 734,415.80 : x - Step 2: Convert to fraction form
1,296,037.40/1,941,431.70 = 734,415.80/x - Step 3: Cross multiply
1,296,037.40x = 1,941,431.70 × 734,415.80 - Step 4: Simplify right side
1,296,037.40x = 1,425,818,115,100.86 - Step 5: Solve for x
x = 1,425,818,115,100.86/1,296,037.40 - Step 6: Final answer
x = 1,100,136.55
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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.