Finding the Fourth Proportional to 1,403,821.74, 1,937,273.94 and 759,241.92
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Solution
The fourth proportional to 1,403,821.74, 1,937,273.94 and 759,241.92 is: 1,047,753.82
Step by Step Solution
- Step 1: Write the proportion equation
1,403,821.74 : 1,937,273.94 = 759,241.92 : x - Step 2: Convert to fraction form
1,403,821.74/1,937,273.94 = 759,241.92/x - Step 3: Cross multiply
1,403,821.74x = 1,937,273.94 × 759,241.92 - Step 4: Simplify right side
1,403,821.74x = 1,470,859,585,771.57 - Step 5: Solve for x
x = 1,470,859,585,771.57/1,403,821.74 - Step 6: Final answer
x = 1,047,753.82
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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.