Finding the Fourth Proportional to 1,355,943.23, 1,871,224.63 and 744,152.92
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Solution
The fourth proportional to 1,355,943.23, 1,871,224.63 and 744,152.92 is: 1,026,943.64
Step by Step Solution
- Step 1: Write the proportion equation
1,355,943.23 : 1,871,224.63 = 744,152.92 : x - Step 2: Convert to fraction form
1,355,943.23/1,871,224.63 = 744,152.92/x - Step 3: Cross multiply
1,355,943.23x = 1,871,224.63 × 744,152.92 - Step 4: Simplify right side
1,355,943.23x = 1,392,477,272,390.42 - Step 5: Solve for x
x = 1,392,477,272,390.42/1,355,943.23 - Step 6: Final answer
x = 1,026,943.64
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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.