Finding the Fourth Proportional to 1,173,461.02, 1,619,098.64 and 664,163.40
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Solution
The fourth proportional to 1,173,461.02, 1,619,098.64 and 664,163.40 is: 916,388.39
Step by Step Solution
- Step 1: Write the proportion equation
1,173,461.02 : 1,619,098.64 = 664,163.40 : x - Step 2: Convert to fraction form
1,173,461.02/1,619,098.64 = 664,163.40/x - Step 3: Cross multiply
1,173,461.02x = 1,619,098.64 × 664,163.40 - Step 4: Simplify right side
1,173,461.02x = 1,075,346,057,677.78 - Step 5: Solve for x
x = 1,075,346,057,677.78/1,173,461.02 - Step 6: Final answer
x = 916,388.39
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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.