Finding the Fourth Proportional to 1,103,983.02, 1,523,427.75 and 620,541.81
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Solution
The fourth proportional to 1,103,983.02, 1,523,427.75 and 620,541.81 is: 856,309.02
Step by Step Solution
- Step 1: Write the proportion equation
1,103,983.02 : 1,523,427.75 = 620,541.81 : x - Step 2: Convert to fraction form
1,103,983.02/1,523,427.75 = 620,541.81/x - Step 3: Cross multiply
1,103,983.02x = 1,523,427.75 × 620,541.81 - Step 4: Simplify right side
1,103,983.02x = 945,350,613,389.23 - Step 5: Solve for x
x = 945,350,613,389.23/1,103,983.02 - Step 6: Final answer
x = 856,309.02
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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.