Finding the Fourth Proportional to 1,397,537.75, 1,928,590.41 and 785,693.18
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Solution
The fourth proportional to 1,397,537.75, 1,928,590.41 and 785,693.18 is: 1,084,250.02
Step by Step Solution
- Step 1: Write the proportion equation
1,397,537.75 : 1,928,590.41 = 785,693.18 : x - Step 2: Convert to fraction form
1,397,537.75/1,928,590.41 = 785,693.18/x - Step 3: Cross multiply
1,397,537.75x = 1,928,590.41 × 785,693.18 - Step 4: Simplify right side
1,397,537.75x = 1,515,280,332,150.40 - Step 5: Solve for x
x = 1,515,280,332,150.40/1,397,537.75 - Step 6: Final answer
x = 1,084,250.02
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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.