Finding the Fourth Proportional to 1,412,694.61, 2,118,994.53 and 613,976.09
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Solution
The fourth proportional to 1,412,694.61, 2,118,994.53 and 613,976.09 is: 920,943.53
Step by Step Solution
- Step 1: Write the proportion equation
1,412,694.61 : 2,118,994.53 = 613,976.09 : x - Step 2: Convert to fraction form
1,412,694.61/2,118,994.53 = 613,976.09/x - Step 3: Cross multiply
1,412,694.61x = 2,118,994.53 × 613,976.09 - Step 4: Simplify right side
1,412,694.61x = 1,301,011,963,363.40 - Step 5: Solve for x
x = 1,301,011,963,363.40/1,412,694.61 - Step 6: Final answer
x = 920,943.53
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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.