Finding the Fourth Proportional to 1,219,015.32, 1,682,253.50 and 735,486.99
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Solution
The fourth proportional to 1,219,015.32, 1,682,253.50 and 735,486.99 is: 1,014,979.50
Step by Step Solution
- Step 1: Write the proportion equation
1,219,015.32 : 1,682,253.50 = 735,486.99 : x - Step 2: Convert to fraction form
1,219,015.32/1,682,253.50 = 735,486.99/x - Step 3: Cross multiply
1,219,015.32x = 1,682,253.50 × 735,486.99 - Step 4: Simplify right side
1,219,015.32x = 1,237,275,559,454.53 - Step 5: Solve for x
x = 1,237,275,559,454.53/1,219,015.32 - Step 6: Final answer
x = 1,014,979.50
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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.