Finding the Fourth Proportional to 1,294,128.18, 1,941,121.14 and 395,569.38
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Solution
The fourth proportional to 1,294,128.18, 1,941,121.14 and 395,569.38 is: 593,332.33
Step by Step Solution
- Step 1: Write the proportion equation
1,294,128.18 : 1,941,121.14 = 395,569.38 : x - Step 2: Convert to fraction form
1,294,128.18/1,941,121.14 = 395,569.38/x - Step 3: Cross multiply
1,294,128.18x = 1,941,121.14 × 395,569.38 - Step 4: Simplify right side
1,294,128.18x = 767,848,085,854.69 - Step 5: Solve for x
x = 767,848,085,854.69/1,294,128.18 - Step 6: Final answer
x = 593,332.33
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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.