Finding the Fourth Proportional to 1,175,133.84, 1,621,087.79 and 767,474.31
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Solution
The fourth proportional to 1,175,133.84, 1,621,087.79 and 767,474.31 is: 1,058,724.71
Step by Step Solution
- Step 1: Write the proportion equation
1,175,133.84 : 1,621,087.79 = 767,474.31 : x - Step 2: Convert to fraction form
1,175,133.84/1,621,087.79 = 767,474.31/x - Step 3: Cross multiply
1,175,133.84x = 1,621,087.79 × 767,474.31 - Step 4: Simplify right side
1,175,133.84x = 1,244,143,234,998.36 - Step 5: Solve for x
x = 1,244,143,234,998.36/1,175,133.84 - Step 6: Final answer
x = 1,058,724.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.