Finding the Fourth Proportional to 1,217,199.15, 1,825,754.99 and 375,750.90
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Solution
The fourth proportional to 1,217,199.15, 1,825,754.99 and 375,750.90 is: 563,612.85
Step by Step Solution
- Step 1: Write the proportion equation
1,217,199.15 : 1,825,754.99 = 375,750.90 : x - Step 2: Convert to fraction form
1,217,199.15/1,825,754.99 = 375,750.90/x - Step 3: Cross multiply
1,217,199.15x = 1,825,754.99 × 375,750.90 - Step 4: Simplify right side
1,217,199.15x = 686,029,078,793.24 - Step 5: Solve for x
x = 686,029,078,793.24/1,217,199.15 - Step 6: Final answer
x = 563,612.85
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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.