Finding the Fourth Proportional to 1,416,267.19, 1,954,424.11 and 771,692.68
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Solution
The fourth proportional to 1,416,267.19, 1,954,424.11 and 771,692.68 is: 1,064,922.48
Step by Step Solution
- Step 1: Write the proportion equation
1,416,267.19 : 1,954,424.11 = 771,692.68 : x - Step 2: Convert to fraction form
1,416,267.19/1,954,424.11 = 771,692.68/x - Step 3: Cross multiply
1,416,267.19x = 1,954,424.11 × 771,692.68 - Step 4: Simplify right side
1,416,267.19x = 1,508,214,765,671.93 - Step 5: Solve for x
x = 1,508,214,765,671.93/1,416,267.19 - Step 6: Final answer
x = 1,064,922.48
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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.