Finding the Fourth Proportional to 1,177,890.24, 1,625,074.32 and 770,230.56
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Solution
The fourth proportional to 1,177,890.24, 1,625,074.32 and 770,230.56 is: 1,062,647.32
Step by Step Solution
- Step 1: Write the proportion equation
1,177,890.24 : 1,625,074.32 = 770,230.56 : x - Step 2: Convert to fraction form
1,177,890.24/1,625,074.32 = 770,230.56/x - Step 3: Cross multiply
1,177,890.24x = 1,625,074.32 × 770,230.56 - Step 4: Simplify right side
1,177,890.24x = 1,251,681,903,535.22 - Step 5: Solve for x
x = 1,251,681,903,535.22/1,177,890.24 - Step 6: Final answer
x = 1,062,647.32
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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.