Finding the Fourth Proportional to 1,412,694.75, 2,118,994.74 and 613,976.23
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Solution
The fourth proportional to 1,412,694.75, 2,118,994.74 and 613,976.23 is: 920,943.74
Step by Step Solution
- Step 1: Write the proportion equation
1,412,694.75 : 2,118,994.74 = 613,976.23 : x - Step 2: Convert to fraction form
1,412,694.75/2,118,994.74 = 613,976.23/x - Step 3: Cross multiply
1,412,694.75x = 2,118,994.74 × 613,976.23 - Step 4: Simplify right side
1,412,694.75x = 1,301,012,390,857.62 - Step 5: Solve for x
x = 1,301,012,390,857.62/1,412,694.75 - Step 6: Final answer
x = 920,943.74
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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.