Finding the Fourth Proportional to 1,356,041.34, 1,871,331.18 and 744,203.99
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Solution
The fourth proportional to 1,356,041.34, 1,871,331.18 and 744,203.99 is: 1,026,998.28
Step by Step Solution
- Step 1: Write the proportion equation
1,356,041.34 : 1,871,331.18 = 744,203.99 : x - Step 2: Convert to fraction form
1,356,041.34/1,871,331.18 = 744,203.99/x - Step 3: Cross multiply
1,356,041.34x = 1,871,331.18 × 744,203.99 - Step 4: Simplify right side
1,356,041.34x = 1,392,652,121,410.75 - Step 5: Solve for x
x = 1,392,652,121,410.75/1,356,041.34 - Step 6: Final answer
x = 1,026,998.28
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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.