Finding the Fourth Proportional to 1,363,811.18, 2,045,643.12 and 417,182.00
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Solution
The fourth proportional to 1,363,811.18, 2,045,643.12 and 417,182.00 is: 625,750.47
Step by Step Solution
- Step 1: Write the proportion equation
1,363,811.18 : 2,045,643.12 = 417,182.00 : x - Step 2: Convert to fraction form
1,363,811.18/2,045,643.12 = 417,182.00/x - Step 3: Cross multiply
1,363,811.18x = 2,045,643.12 × 417,182.00 - Step 4: Simplify right side
1,363,811.18x = 853,405,477,859.62 - Step 5: Solve for x
x = 853,405,477,859.62/1,363,811.18 - Step 6: Final answer
x = 625,750.47
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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.