Finding the Fourth Proportional to 1,220,460.12, 1,830,811.50 and 452,163.36
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Solution
The fourth proportional to 1,220,460.12, 1,830,811.50 and 452,163.36 is: 678,289.99
Step by Step Solution
- Step 1: Write the proportion equation
1,220,460.12 : 1,830,811.50 = 452,163.36 : x - Step 2: Convert to fraction form
1,220,460.12/1,830,811.50 = 452,163.36/x - Step 3: Cross multiply
1,220,460.12x = 1,830,811.50 × 452,163.36 - Step 4: Simplify right side
1,220,460.12x = 827,825,879,366.64 - Step 5: Solve for x
x = 827,825,879,366.64/1,220,460.12 - Step 6: Final answer
x = 678,289.99
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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.