Finding the Fourth Proportional to 1,113,260.26, 1,536,197.61 and 629,869.54
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Solution
The fourth proportional to 1,113,260.26, 1,536,197.61 and 629,869.54 is: 869,162.51
Step by Step Solution
- Step 1: Write the proportion equation
1,113,260.26 : 1,536,197.61 = 629,869.54 : x - Step 2: Convert to fraction form
1,113,260.26/1,536,197.61 = 629,869.54/x - Step 3: Cross multiply
1,113,260.26x = 1,536,197.61 × 629,869.54 - Step 4: Simplify right side
1,113,260.26x = 967,604,081,959.80 - Step 5: Solve for x
x = 967,604,081,959.80/1,113,260.26 - Step 6: Final answer
x = 869,162.51
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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.