Finding the Fourth Proportional to 1,245,599.64, 1,719,351.97 and 774,476.10
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Solution
The fourth proportional to 1,245,599.64, 1,719,351.97 and 774,476.10 is: 1,069,040.94
Step by Step Solution
- Step 1: Write the proportion equation
1,245,599.64 : 1,719,351.97 = 774,476.10 : x - Step 2: Convert to fraction form
1,245,599.64/1,719,351.97 = 774,476.10/x - Step 3: Cross multiply
1,245,599.64x = 1,719,351.97 × 774,476.10 - Step 4: Simplify right side
1,245,599.64x = 1,331,597,006,316.73 - Step 5: Solve for x
x = 1,331,597,006,316.73/1,245,599.64 - Step 6: Final answer
x = 1,069,040.94
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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.