Finding the Fourth Proportional to 1,113,243.84, 1,536,276.24 and 629,799.12
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Solution
The fourth proportional to 1,113,243.84, 1,536,276.24 and 629,799.12 is: 869,122.64
Step by Step Solution
- Step 1: Write the proportion equation
1,113,243.84 : 1,536,276.24 = 629,799.12 : x - Step 2: Convert to fraction form
1,113,243.84/1,536,276.24 = 629,799.12/x - Step 3: Cross multiply
1,113,243.84x = 1,536,276.24 × 629,799.12 - Step 4: Simplify right side
1,113,243.84x = 967,545,424,028.91 - Step 5: Solve for x
x = 967,545,424,028.91/1,113,243.84 - Step 6: Final answer
x = 869,122.64
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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.