Finding the Fourth Proportional to 1,344,619.49, 1,855,520.87 and 732,759.26
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Solution
The fourth proportional to 1,344,619.49, 1,855,520.87 and 732,759.26 is: 1,011,178.33
Step by Step Solution
- Step 1: Write the proportion equation
1,344,619.49 : 1,855,520.87 = 732,759.26 : x - Step 2: Convert to fraction form
1,344,619.49/1,855,520.87 = 732,759.26/x - Step 3: Cross multiply
1,344,619.49x = 1,855,520.87 × 732,759.26 - Step 4: Simplify right side
1,344,619.49x = 1,359,650,086,674.36 - Step 5: Solve for x
x = 1,359,650,086,674.36/1,344,619.49 - Step 6: Final answer
x = 1,011,178.33
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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.