Finding the Fourth Proportional to 906,118.62, 1,356,220.56 and 666,169.08
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Solution
The fourth proportional to 906,118.62, 1,356,220.56 and 666,169.08 is: 997,079.39
Step by Step Solution
- Step 1: Write the proportion equation
906,118.62 : 1,356,220.56 = 666,169.08 : x - Step 2: Convert to fraction form
906,118.62/1,356,220.56 = 666,169.08/x - Step 3: Cross multiply
906,118.62x = 1,356,220.56 × 666,169.08 - Step 4: Simplify right side
906,118.62x = 903,472,202,732.29 - Step 5: Solve for x
x = 903,472,202,732.29/906,118.62 - Step 6: Final answer
x = 997,079.39
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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.