Finding the Fourth Proportional to 1,381,304.07, 1,906,125.08 and 761,088.49
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Solution
The fourth proportional to 1,381,304.07, 1,906,125.08 and 761,088.49 is: 1,050,261.04
Step by Step Solution
- Step 1: Write the proportion equation
1,381,304.07 : 1,906,125.08 = 761,088.49 : x - Step 2: Convert to fraction form
1,381,304.07/1,906,125.08 = 761,088.49/x - Step 3: Cross multiply
1,381,304.07x = 1,906,125.08 × 761,088.49 - Step 4: Simplify right side
1,381,304.07x = 1,450,729,850,317.57 - Step 5: Solve for x
x = 1,450,729,850,317.57/1,381,304.07 - Step 6: Final answer
x = 1,050,261.04
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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.