Finding the Fourth Proportional to 1,408,970.74, 1,944,383.38 and 764,390.93
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Solution
The fourth proportional to 1,408,970.74, 1,944,383.38 and 764,390.93 is: 1,054,861.53
Step by Step Solution
- Step 1: Write the proportion equation
1,408,970.74 : 1,944,383.38 = 764,390.93 : x - Step 2: Convert to fraction form
1,408,970.74/1,944,383.38 = 764,390.93/x - Step 3: Cross multiply
1,408,970.74x = 1,944,383.38 × 764,390.93 - Step 4: Simplify right side
1,408,970.74x = 1,486,269,029,187.28 - Step 5: Solve for x
x = 1,486,269,029,187.28/1,408,970.74 - Step 6: Final answer
x = 1,054,861.53
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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.