Finding the Fourth Proportional to 1,156,422.70, 1,734,799.29 and 357,772.42
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Solution
The fourth proportional to 1,156,422.70, 1,734,799.29 and 357,772.42 is: 536,709.75
Step by Step Solution
- Step 1: Write the proportion equation
1,156,422.70 : 1,734,799.29 = 357,772.42 : x - Step 2: Convert to fraction form
1,156,422.70/1,734,799.29 = 357,772.42/x - Step 3: Cross multiply
1,156,422.70x = 1,734,799.29 × 357,772.42 - Step 4: Simplify right side
1,156,422.70x = 620,663,340,197.58 - Step 5: Solve for x
x = 620,663,340,197.58/1,156,422.70 - Step 6: Final answer
x = 536,709.75
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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.