Finding the Fourth Proportional to 1,063,578.24, 1,595,366.55 and 315,624.24
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Solution
The fourth proportional to 1,063,578.24, 1,595,366.55 and 315,624.24 is: 473,436.12
Step by Step Solution
- Step 1: Write the proportion equation
1,063,578.24 : 1,595,366.55 = 315,624.24 : x - Step 2: Convert to fraction form
1,063,578.24/1,595,366.55 = 315,624.24/x - Step 3: Cross multiply
1,063,578.24x = 1,595,366.55 × 315,624.24 - Step 4: Simplify right side
1,063,578.24x = 503,536,354,865.17 - Step 5: Solve for x
x = 503,536,354,865.17/1,063,578.24 - Step 6: Final answer
x = 473,436.12
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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.