Finding the Fourth Proportional to 1,203,844.95, 1,806,043.95 and 405,105.12
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Solution
The fourth proportional to 1,203,844.95, 1,806,043.95 and 405,105.12 is: 607,750.73
Step by Step Solution
- Step 1: Write the proportion equation
1,203,844.95 : 1,806,043.95 = 405,105.12 : x - Step 2: Convert to fraction form
1,203,844.95/1,806,043.95 = 405,105.12/x - Step 3: Cross multiply
1,203,844.95x = 1,806,043.95 × 405,105.12 - Step 4: Simplify right side
1,203,844.95x = 731,637,651,090.02 - Step 5: Solve for x
x = 731,637,651,090.02/1,203,844.95 - Step 6: Final answer
x = 607,750.73
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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.