Finding the Fourth Proportional to 1,340,243.08, 1,849,549.77 and 728,395.81
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Solution
The fourth proportional to 1,340,243.08, 1,849,549.77 and 728,395.81 is: 1,005,194.00
Step by Step Solution
- Step 1: Write the proportion equation
1,340,243.08 : 1,849,549.77 = 728,395.81 : x - Step 2: Convert to fraction form
1,340,243.08/1,849,549.77 = 728,395.81/x - Step 3: Cross multiply
1,340,243.08x = 1,849,549.77 × 728,395.81 - Step 4: Simplify right side
1,340,243.08x = 1,347,204,302,854.46 - Step 5: Solve for x
x = 1,347,204,302,854.46/1,340,243.08 - Step 6: Final answer
x = 1,005,194.00
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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.