Finding the Fourth Proportional to 1,303,749.38, 1,955,625.63 and 357,128.26
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Solution
The fourth proportional to 1,303,749.38, 1,955,625.63 and 357,128.26 is: 535,692.82
Step by Step Solution
- Step 1: Write the proportion equation
1,303,749.38 : 1,955,625.63 = 357,128.26 : x - Step 2: Convert to fraction form
1,303,749.38/1,955,625.63 = 357,128.26/x - Step 3: Cross multiply
1,303,749.38x = 1,955,625.63 × 357,128.26 - Step 4: Simplify right side
1,303,749.38x = 698,409,178,453.30 - Step 5: Solve for x
x = 698,409,178,453.30/1,303,749.38 - Step 6: Final answer
x = 535,692.82
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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.