Finding the Fourth Proportional to 1,087,028.44, 1,500,237.63 and 657,311.62
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Solution
The fourth proportional to 1,087,028.44, 1,500,237.63 and 657,311.62 is: 907,173.71
Step by Step Solution
- Step 1: Write the proportion equation
1,087,028.44 : 1,500,237.63 = 657,311.62 : x - Step 2: Convert to fraction form
1,087,028.44/1,500,237.63 = 657,311.62/x - Step 3: Cross multiply
1,087,028.44x = 1,500,237.63 × 657,311.62 - Step 4: Simplify right side
1,087,028.44x = 986,123,626,960.26 - Step 5: Solve for x
x = 986,123,626,960.26/1,087,028.44 - Step 6: Final answer
x = 907,173.71
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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.