Finding the Fourth Proportional to 1,340,747.99, 1,850,268.72 and 728,941.92
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Solution
The fourth proportional to 1,340,747.99, 1,850,268.72 and 728,941.92 is: 1,005,959.69
Step by Step Solution
- Step 1: Write the proportion equation
1,340,747.99 : 1,850,268.72 = 728,941.92 : x - Step 2: Convert to fraction form
1,340,747.99/1,850,268.72 = 728,941.92/x - Step 3: Cross multiply
1,340,747.99x = 1,850,268.72 × 728,941.92 - Step 4: Simplify right side
1,340,747.99x = 1,348,738,433,272.74 - Step 5: Solve for x
x = 1,348,738,433,272.74/1,340,747.99 - Step 6: Final answer
x = 1,005,959.69
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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.