Finding the Fourth Proportional to 1,334,804.14, 1,842,020.25 and 722,942.80
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Solution
The fourth proportional to 1,334,804.14, 1,842,020.25 and 722,942.80 is: 997,655.94
Step by Step Solution
- Step 1: Write the proportion equation
1,334,804.14 : 1,842,020.25 = 722,942.80 : x - Step 2: Convert to fraction form
1,334,804.14/1,842,020.25 = 722,942.80/x - Step 3: Cross multiply
1,334,804.14x = 1,842,020.25 × 722,942.80 - Step 4: Simplify right side
1,334,804.14x = 1,331,675,277,191.70 - Step 5: Solve for x
x = 1,331,675,277,191.70/1,334,804.14 - Step 6: Final answer
x = 997,655.94
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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.