Finding the Fourth Proportional to 1,307,219.97, 1,961,145.18 and 454,167.48
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Solution
The fourth proportional to 1,307,219.97, 1,961,145.18 and 454,167.48 is: 681,360.74
Step by Step Solution
- Step 1: Write the proportion equation
1,307,219.97 : 1,961,145.18 = 454,167.48 : x - Step 2: Convert to fraction form
1,307,219.97/1,961,145.18 = 454,167.48/x - Step 3: Cross multiply
1,307,219.97x = 1,961,145.18 × 454,167.48 - Step 4: Simplify right side
1,307,219.97x = 890,688,364,314.75 - Step 5: Solve for x
x = 890,688,364,314.75/1,307,219.97 - Step 6: Final answer
x = 681,360.74
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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.