Finding the Fourth Proportional to 1,429,705.20, 2,144,972.88 and 576,336.44
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Solution
The fourth proportional to 1,429,705.20, 2,144,972.88 and 576,336.44 is: 864,671.99
Step by Step Solution
- Step 1: Write the proportion equation
1,429,705.20 : 2,144,972.88 = 576,336.44 : x - Step 2: Convert to fraction form
1,429,705.20/2,144,972.88 = 576,336.44/x - Step 3: Cross multiply
1,429,705.20x = 2,144,972.88 × 576,336.44 - Step 4: Simplify right side
1,429,705.20x = 1,236,226,033,555.75 - Step 5: Solve for x
x = 1,236,226,033,555.75/1,429,705.20 - Step 6: Final answer
x = 864,671.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.