Finding the Fourth Proportional to 1,345,270.84, 2,017,913.58 and 398,649.80
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Solution
The fourth proportional to 1,345,270.84, 2,017,913.58 and 398,649.80 is: 597,976.87
Step by Step Solution
- Step 1: Write the proportion equation
1,345,270.84 : 2,017,913.58 = 398,649.80 : x - Step 2: Convert to fraction form
1,345,270.84/2,017,913.58 = 398,649.80/x - Step 3: Cross multiply
1,345,270.84x = 2,017,913.58 × 398,649.80 - Step 4: Simplify right side
1,345,270.84x = 804,440,845,084.28 - Step 5: Solve for x
x = 804,440,845,084.28/1,345,270.84 - Step 6: Final answer
x = 597,976.87
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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.