Finding the Fourth Proportional to 1,408,898.08, 1,944,278.36 and 764,318.39
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Solution
The fourth proportional to 1,408,898.08, 1,944,278.36 and 764,318.39 is: 1,054,758.84
Step by Step Solution
- Step 1: Write the proportion equation
1,408,898.08 : 1,944,278.36 = 764,318.39 : x - Step 2: Convert to fraction form
1,408,898.08/1,944,278.36 = 764,318.39/x - Step 3: Cross multiply
1,408,898.08x = 1,944,278.36 × 764,318.39 - Step 4: Simplify right side
1,408,898.08x = 1,486,047,702,005.45 - Step 5: Solve for x
x = 1,486,047,702,005.45/1,408,898.08 - Step 6: Final answer
x = 1,054,758.84
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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.