Finding the Fourth Proportional to 1,295,594.19, 1,943,394.53 and 664,163.55
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Solution
The fourth proportional to 1,295,594.19, 1,943,394.53 and 664,163.55 is: 996,246.99
Step by Step Solution
- Step 1: Write the proportion equation
1,295,594.19 : 1,943,394.53 = 664,163.55 : x - Step 2: Convert to fraction form
1,295,594.19/1,943,394.53 = 664,163.55/x - Step 3: Cross multiply
1,295,594.19x = 1,943,394.53 × 664,163.55 - Step 4: Simplify right side
1,295,594.19x = 1,290,731,806,774.56 - Step 5: Solve for x
x = 1,290,731,806,774.56/1,295,594.19 - Step 6: Final answer
x = 996,246.99
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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.