Finding the Fourth Proportional to 1,021,737.12, 1,532,605.68 and 311,768.88
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Solution
The fourth proportional to 1,021,737.12, 1,532,605.68 and 311,768.88 is: 467,653.32
Step by Step Solution
- Step 1: Write the proportion equation
1,021,737.12 : 1,532,605.68 = 311,768.88 : x - Step 2: Convert to fraction form
1,021,737.12/1,532,605.68 = 311,768.88/x - Step 3: Cross multiply
1,021,737.12x = 1,532,605.68 × 311,768.88 - Step 4: Simplify right side
1,021,737.12x = 477,818,756,335.24 - Step 5: Solve for x
x = 477,818,756,335.24/1,021,737.12 - Step 6: Final answer
x = 467,653.32
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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.