Finding the Fourth Proportional to 1,458,875.36, 2,013,583.92 and 855,457.76
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Solution
The fourth proportional to 1,458,875.36, 2,013,583.92 and 855,457.76 is: 1,180,728.69
Step by Step Solution
- Step 1: Write the proportion equation
1,458,875.36 : 2,013,583.92 = 855,457.76 : x - Step 2: Convert to fraction form
1,458,875.36/2,013,583.92 = 855,457.76/x - Step 3: Cross multiply
1,458,875.36x = 2,013,583.92 × 855,457.76 - Step 4: Simplify right side
1,458,875.36x = 1,722,535,989,775.22 - Step 5: Solve for x
x = 1,722,535,989,775.22/1,458,875.36 - Step 6: Final answer
x = 1,180,728.69
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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.