Finding the Fourth Proportional to 1,227,653.76, 1,694,247.24 and 744,239.28
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Solution
The fourth proportional to 1,227,653.76, 1,694,247.24 and 744,239.28 is: 1,027,101.77
Step by Step Solution
- Step 1: Write the proportion equation
1,227,653.76 : 1,694,247.24 = 744,239.28 : x - Step 2: Convert to fraction form
1,227,653.76/1,694,247.24 = 744,239.28/x - Step 3: Cross multiply
1,227,653.76x = 1,694,247.24 × 744,239.28 - Step 4: Simplify right side
1,227,653.76x = 1,260,925,346,039.59 - Step 5: Solve for x
x = 1,260,925,346,039.59/1,227,653.76 - Step 6: Final answer
x = 1,027,101.77
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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.