Finding the Fourth Proportional to 1,106,938.09, 1,656,657.63 and 680,744.24
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Solution
The fourth proportional to 1,106,938.09, 1,656,657.63 and 680,744.24 is: 1,018,810.49
Step by Step Solution
- Step 1: Write the proportion equation
1,106,938.09 : 1,656,657.63 = 680,744.24 : x - Step 2: Convert to fraction form
1,106,938.09/1,656,657.63 = 680,744.24/x - Step 3: Cross multiply
1,106,938.09x = 1,656,657.63 × 680,744.24 - Step 4: Simplify right side
1,106,938.09x = 1,127,760,142,485.73 - Step 5: Solve for x
x = 1,127,760,142,485.73/1,106,938.09 - Step 6: Final answer
x = 1,018,810.49
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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.