Finding the Fourth Proportional to 1,317,642.24, 1,976,496.12 and 371,006.52
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Solution
The fourth proportional to 1,317,642.24, 1,976,496.12 and 371,006.52 is: 556,519.00
Step by Step Solution
- Step 1: Write the proportion equation
1,317,642.24 : 1,976,496.12 = 371,006.52 : x - Step 2: Convert to fraction form
1,317,642.24/1,976,496.12 = 371,006.52/x - Step 3: Cross multiply
1,317,642.24x = 1,976,496.12 × 371,006.52 - Step 4: Simplify right side
1,317,642.24x = 733,292,947,274.70 - Step 5: Solve for x
x = 733,292,947,274.70/1,317,642.24 - Step 6: Final answer
x = 556,519.00
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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.