Finding the Fourth Proportional to 1,349,994.62, 1,863,107.34 and 769,395.44
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Solution
The fourth proportional to 1,349,994.62, 1,863,107.34 and 769,395.44 is: 1,061,831.11
Step by Step Solution
- Step 1: Write the proportion equation
1,349,994.62 : 1,863,107.34 = 769,395.44 : x - Step 2: Convert to fraction form
1,349,994.62/1,863,107.34 = 769,395.44/x - Step 3: Cross multiply
1,349,994.62x = 1,863,107.34 × 769,395.44 - Step 4: Simplify right side
1,349,994.62x = 1,433,466,291,626.53 - Step 5: Solve for x
x = 1,433,466,291,626.53/1,349,994.62 - Step 6: Final answer
x = 1,061,831.11
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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.