Finding the Fourth Proportional to 1,356,347.80, 1,871,053.14 and 804,742.12
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Solution
The fourth proportional to 1,356,347.80, 1,871,053.14 and 804,742.12 is: 1,110,124.76
Step by Step Solution
- Step 1: Write the proportion equation
1,356,347.80 : 1,871,053.14 = 804,742.12 : x - Step 2: Convert to fraction form
1,356,347.80/1,871,053.14 = 804,742.12/x - Step 3: Cross multiply
1,356,347.80x = 1,871,053.14 × 804,742.12 - Step 4: Simplify right side
1,356,347.80x = 1,505,715,270,516.26 - Step 5: Solve for x
x = 1,505,715,270,516.26/1,356,347.80 - Step 6: Final answer
x = 1,110,124.76
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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.