Finding the Fourth Proportional to 1,141,247.68, 1,574,921.44 and 631,949.92
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Solution
The fourth proportional to 1,141,247.68, 1,574,921.44 and 631,949.92 is: 872,090.69
Step by Step Solution
- Step 1: Write the proportion equation
1,141,247.68 : 1,574,921.44 = 631,949.92 : x - Step 2: Convert to fraction form
1,141,247.68/1,574,921.44 = 631,949.92/x - Step 3: Cross multiply
1,141,247.68x = 1,574,921.44 × 631,949.92 - Step 4: Simplify right side
1,141,247.68x = 995,271,478,014.29 - Step 5: Solve for x
x = 995,271,478,014.29/1,141,247.68 - Step 6: Final answer
x = 872,090.69
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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.