Finding the Fourth Proportional to 1,071,387.18, 1,607,028.84 and 397,599.84
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Solution
The fourth proportional to 1,071,387.18, 1,607,028.84 and 397,599.84 is: 596,380.49
Step by Step Solution
- Step 1: Write the proportion equation
1,071,387.18 : 1,607,028.84 = 397,599.84 : x - Step 2: Convert to fraction form
1,071,387.18/1,607,028.84 = 397,599.84/x - Step 3: Cross multiply
1,071,387.18x = 1,607,028.84 × 397,599.84 - Step 4: Simplify right side
1,071,387.18x = 638,954,409,659.39 - Step 5: Solve for x
x = 638,954,409,659.39/1,071,387.18 - Step 6: Final answer
x = 596,380.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.