Finding the Fourth Proportional to 1,127,293.93, 1,690,874.47 and 369,629.65
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Solution
The fourth proportional to 1,127,293.93, 1,690,874.47 and 369,629.65 is: 554,422.69
Step by Step Solution
- Step 1: Write the proportion equation
1,127,293.93 : 1,690,874.47 = 369,629.65 : x - Step 2: Convert to fraction form
1,127,293.93/1,690,874.47 = 369,629.65/x - Step 3: Cross multiply
1,127,293.93x = 1,690,874.47 × 369,629.65 - Step 4: Simplify right side
1,127,293.93x = 624,997,338,540.04 - Step 5: Solve for x
x = 624,997,338,540.04/1,127,293.93 - Step 6: Final answer
x = 554,422.69
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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.