Finding the Fourth Proportional to 1,201,236.48, 1,657,756.80 and 664,692.48
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Solution
The fourth proportional to 1,201,236.48, 1,657,756.80 and 664,692.48 is: 917,303.54
Step by Step Solution
- Step 1: Write the proportion equation
1,201,236.48 : 1,657,756.80 = 664,692.48 : x - Step 2: Convert to fraction form
1,201,236.48/1,657,756.80 = 664,692.48/x - Step 3: Cross multiply
1,201,236.48x = 1,657,756.80 × 664,692.48 - Step 4: Simplify right side
1,201,236.48x = 1,101,898,478,628.86 - Step 5: Solve for x
x = 1,101,898,478,628.86/1,201,236.48 - Step 6: Final answer
x = 917,303.54
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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.