Finding the Fourth Proportional to 1,260,355.64, 1,738,979.63 and 744,121.58
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Solution
The fourth proportional to 1,260,355.64, 1,738,979.63 and 744,121.58 is: 1,026,704.07
Step by Step Solution
- Step 1: Write the proportion equation
1,260,355.64 : 1,738,979.63 = 744,121.58 : x - Step 2: Convert to fraction form
1,260,355.64/1,738,979.63 = 744,121.58/x - Step 3: Cross multiply
1,260,355.64x = 1,738,979.63 × 744,121.58 - Step 4: Simplify right side
1,260,355.64x = 1,294,012,257,447.91 - Step 5: Solve for x
x = 1,294,012,257,447.91/1,260,355.64 - Step 6: Final answer
x = 1,026,704.07
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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.