Finding the Fourth Proportional to 1,112,541.22, 1,668,259.74 and 354,283.87
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Solution
The fourth proportional to 1,112,541.22, 1,668,259.74 and 354,283.87 is: 531,249.99
Step by Step Solution
- Step 1: Write the proportion equation
1,112,541.22 : 1,668,259.74 = 354,283.87 : x - Step 2: Convert to fraction form
1,112,541.22/1,668,259.74 = 354,283.87/x - Step 3: Cross multiply
1,112,541.22x = 1,668,259.74 × 354,283.87 - Step 4: Simplify right side
1,112,541.22x = 591,037,516,852.39 - Step 5: Solve for x
x = 591,037,516,852.39/1,112,541.22 - Step 6: Final answer
x = 531,249.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.