Finding the Fourth Proportional to 1,340,251.08, 1,849,560.78 and 728,403.84
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Solution
The fourth proportional to 1,340,251.08, 1,849,560.78 and 728,403.84 is: 1,005,205.07
Step by Step Solution
- Step 1: Write the proportion equation
1,340,251.08 : 1,849,560.78 = 728,403.84 : x - Step 2: Convert to fraction form
1,340,251.08/1,849,560.78 = 728,403.84/x - Step 3: Cross multiply
1,340,251.08x = 1,849,560.78 × 728,403.84 - Step 4: Simplify right side
1,340,251.08x = 1,347,227,174,465.40 - Step 5: Solve for x
x = 1,347,227,174,465.40/1,340,251.08 - Step 6: Final answer
x = 1,005,205.07
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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.