Finding the Fourth Proportional to 1,212,092.00, 1,672,656.18 and 668,215.17
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Solution
The fourth proportional to 1,212,092.00, 1,672,656.18 and 668,215.17 is: 922,119.96
Step by Step Solution
- Step 1: Write the proportion equation
1,212,092.00 : 1,672,656.18 = 668,215.17 : x - Step 2: Convert to fraction form
1,212,092.00/1,672,656.18 = 668,215.17/x - Step 3: Cross multiply
1,212,092.00x = 1,672,656.18 × 668,215.17 - Step 4: Simplify right side
1,212,092.00x = 1,117,694,231,164.44 - Step 5: Solve for x
x = 1,117,694,231,164.44/1,212,092.00 - Step 6: Final answer
x = 922,119.96
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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.