Finding the Fourth Proportional to 1,578,768.27, 2,366,138.99 and 769,345.90
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Solution
The fourth proportional to 1,578,768.27, 2,366,138.99 and 769,345.90 is: 1,153,037.70
Step by Step Solution
- Step 1: Write the proportion equation
1,578,768.27 : 2,366,138.99 = 769,345.90 : x - Step 2: Convert to fraction form
1,578,768.27/2,366,138.99 = 769,345.90/x - Step 3: Cross multiply
1,578,768.27x = 2,366,138.99 × 769,345.90 - Step 4: Simplify right side
1,578,768.27x = 1,820,379,326,794.66 - Step 5: Solve for x
x = 1,820,379,326,794.66/1,578,768.27 - Step 6: Final answer
x = 1,153,037.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.