Finding the Fourth Proportional to 1,069,529.09, 1,603,214.14 and 670,450.11
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Solution
The fourth proportional to 1,069,529.09, 1,603,214.14 and 670,450.11 is: 1,004,998.48
Step by Step Solution
- Step 1: Write the proportion equation
1,069,529.09 : 1,603,214.14 = 670,450.11 : x - Step 2: Convert to fraction form
1,069,529.09/1,603,214.14 = 670,450.11/x - Step 3: Cross multiply
1,069,529.09x = 1,603,214.14 × 670,450.11 - Step 4: Simplify right side
1,069,529.09x = 1,074,875,100,852.48 - Step 5: Solve for x
x = 1,074,875,100,852.48/1,069,529.09 - Step 6: Final answer
x = 1,004,998.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.