Finding the Fourth Proportional to 1,227,643.06, 1,694,232.61 and 744,228.58
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Solution
The fourth proportional to 1,227,643.06, 1,694,232.61 and 744,228.58 is: 1,027,087.08
Step by Step Solution
- Step 1: Write the proportion equation
1,227,643.06 : 1,694,232.61 = 744,228.58 : x - Step 2: Convert to fraction form
1,227,643.06/1,694,232.61 = 744,228.58/x - Step 3: Cross multiply
1,227,643.06x = 1,694,232.61 × 744,228.58 - Step 4: Simplify right side
1,227,643.06x = 1,260,896,329,529.99 - Step 5: Solve for x
x = 1,260,896,329,529.99/1,227,643.06 - Step 6: Final answer
x = 1,027,087.08
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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.