Finding the Fourth Proportional to 1,409,686.40, 1,945,317.84 and 765,093.68
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Solution
The fourth proportional to 1,409,686.40, 1,945,317.84 and 765,093.68 is: 1,055,802.47
Step by Step Solution
- Step 1: Write the proportion equation
1,409,686.40 : 1,945,317.84 = 765,093.68 : x - Step 2: Convert to fraction form
1,409,686.40/1,945,317.84 = 765,093.68/x - Step 3: Cross multiply
1,409,686.40x = 1,945,317.84 × 765,093.68 - Step 4: Simplify right side
1,409,686.40x = 1,488,350,384,975.25 - Step 5: Solve for x
x = 1,488,350,384,975.25/1,409,686.40 - Step 6: Final answer
x = 1,055,802.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.