Finding the Fourth Proportional to 1,412,920.62, 1,949,844.29 and 768,354.75
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Solution
The fourth proportional to 1,412,920.62, 1,949,844.29 and 768,354.75 is: 1,060,337.08
Step by Step Solution
- Step 1: Write the proportion equation
1,412,920.62 : 1,949,844.29 = 768,354.75 : x - Step 2: Convert to fraction form
1,412,920.62/1,949,844.29 = 768,354.75/x - Step 3: Cross multiply
1,412,920.62x = 1,949,844.29 × 768,354.75 - Step 4: Simplify right side
1,412,920.62x = 1,498,172,118,140.10 - Step 5: Solve for x
x = 1,498,172,118,140.10/1,412,920.62 - Step 6: Final answer
x = 1,060,337.08
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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.