Finding the Fourth Proportional to 1,151,575.52, 1,726,624.08 and 478,121.67
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Solution
The fourth proportional to 1,151,575.52, 1,726,624.08 and 478,121.67 is: 716,875.60
Step by Step Solution
- Step 1: Write the proportion equation
1,151,575.52 : 1,726,624.08 = 478,121.67 : x - Step 2: Convert to fraction form
1,151,575.52/1,726,624.08 = 478,121.67/x - Step 3: Cross multiply
1,151,575.52x = 1,726,624.08 × 478,121.67 - Step 4: Simplify right side
1,151,575.52x = 825,536,388,591.81 - Step 5: Solve for x
x = 825,536,388,591.81/1,151,575.52 - Step 6: Final answer
x = 716,875.60
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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.