Finding the Fourth Proportional to 1,340,750.76, 1,850,272.52 and 728,944.67
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Solution
The fourth proportional to 1,340,750.76, 1,850,272.52 and 728,944.67 is: 1,005,963.46
Step by Step Solution
- Step 1: Write the proportion equation
1,340,750.76 : 1,850,272.52 = 728,944.67 : x - Step 2: Convert to fraction form
1,340,750.76/1,850,272.52 = 728,944.67/x - Step 3: Cross multiply
1,340,750.76x = 1,850,272.52 × 728,944.67 - Step 4: Simplify right side
1,340,750.76x = 1,348,746,278,605.38 - Step 5: Solve for x
x = 1,348,746,278,605.38/1,340,750.76 - Step 6: Final answer
x = 1,005,963.46
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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.