Finding the Fourth Proportional to 1,039,731.62, 1,559,746.17 and 320,134.19
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Solution
The fourth proportional to 1,039,731.62, 1,559,746.17 and 320,134.19 is: 480,247.08
Step by Step Solution
- Step 1: Write the proportion equation
1,039,731.62 : 1,559,746.17 = 320,134.19 : x - Step 2: Convert to fraction form
1,039,731.62/1,559,746.17 = 320,134.19/x - Step 3: Cross multiply
1,039,731.62x = 1,559,746.17 × 320,134.19 - Step 4: Simplify right side
1,039,731.62x = 499,328,068,939.82 - Step 5: Solve for x
x = 499,328,068,939.82/1,039,731.62 - Step 6: Final answer
x = 480,247.08
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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.