Finding the Fourth Proportional to 1,154,596.18, 1,731,729.18 and 396,423.42
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Solution
The fourth proportional to 1,154,596.18, 1,731,729.18 and 396,423.42 is: 594,578.45
Step by Step Solution
- Step 1: Write the proportion equation
1,154,596.18 : 1,731,729.18 = 396,423.42 : x - Step 2: Convert to fraction form
1,154,596.18/1,731,729.18 = 396,423.42/x - Step 3: Cross multiply
1,154,596.18x = 1,731,729.18 × 396,423.42 - Step 4: Simplify right side
1,154,596.18x = 686,498,002,067.28 - Step 5: Solve for x
x = 686,498,002,067.28/1,154,596.18 - Step 6: Final answer
x = 594,578.45
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1.5x scale
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.