Finding the Fourth Proportional to 1,419,572.35, 1,958,935.74 and 774,867.99
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Solution
The fourth proportional to 1,419,572.35, 1,958,935.74 and 774,867.99 is: 1,069,277.38
Step by Step Solution
- Step 1: Write the proportion equation
1,419,572.35 : 1,958,935.74 = 774,867.99 : x - Step 2: Convert to fraction form
1,419,572.35/1,958,935.74 = 774,867.99/x - Step 3: Cross multiply
1,419,572.35x = 1,958,935.74 × 774,867.99 - Step 4: Simplify right side
1,419,572.35x = 1,517,916,599,392.96 - Step 5: Solve for x
x = 1,517,916,599,392.96/1,419,572.35 - Step 6: Final answer
x = 1,069,277.38
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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.