Finding the Fourth Proportional to 1,279,954.10, 1,917,166.35 and 1,058,770.10
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Solution
The fourth proportional to 1,279,954.10, 1,917,166.35 and 1,058,770.10 is: 1,585,868.12
Step by Step Solution
- Step 1: Write the proportion equation
1,279,954.10 : 1,917,166.35 = 1,058,770.10 : x - Step 2: Convert to fraction form
1,279,954.10/1,917,166.35 = 1,058,770.10/x - Step 3: Cross multiply
1,279,954.10x = 1,917,166.35 × 1,058,770.10 - Step 4: Simplify right side
1,279,954.10x = 2,029,838,408,106.14 - Step 5: Solve for x
x = 2,029,838,408,106.14/1,279,954.10 - Step 6: Final answer
x = 1,585,868.12
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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.