Finding the Fourth Proportional to 1,198,175.88, 1,653,471.80 and 654,309.99
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Solution
The fourth proportional to 1,198,175.88, 1,653,471.80 and 654,309.99 is: 902,941.82
Step by Step Solution
- Step 1: Write the proportion equation
1,198,175.88 : 1,653,471.80 = 654,309.99 : x - Step 2: Convert to fraction form
1,198,175.88/1,653,471.80 = 654,309.99/x - Step 3: Cross multiply
1,198,175.88x = 1,653,471.80 × 654,309.99 - Step 4: Simplify right side
1,198,175.88x = 1,081,883,113,651.73 - Step 5: Solve for x
x = 1,081,883,113,651.73/1,198,175.88 - Step 6: Final answer
x = 902,941.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.