Finding the Fourth Proportional to 1,278,134.84, 1,763,815.02 and 705,180.44
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Solution
The fourth proportional to 1,278,134.84, 1,763,815.02 and 705,180.44 is: 973,142.91
Step by Step Solution
- Step 1: Write the proportion equation
1,278,134.84 : 1,763,815.02 = 705,180.44 : x - Step 2: Convert to fraction form
1,278,134.84/1,763,815.02 = 705,180.44/x - Step 3: Cross multiply
1,278,134.84x = 1,763,815.02 × 705,180.44 - Step 4: Simplify right side
1,278,134.84x = 1,243,807,851,882.21 - Step 5: Solve for x
x = 1,243,807,851,882.21/1,278,134.84 - Step 6: Final answer
x = 973,142.91
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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.