Finding the Fourth Proportional to 1,340,746.97, 1,850,267.34 and 728,940.92
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Solution
The fourth proportional to 1,340,746.97, 1,850,267.34 and 728,940.92 is: 1,005,958.32
Step by Step Solution
- Step 1: Write the proportion equation
1,340,746.97 : 1,850,267.34 = 728,940.92 : x - Step 2: Convert to fraction form
1,340,746.97/1,850,267.34 = 728,940.92/x - Step 3: Cross multiply
1,340,746.97x = 1,850,267.34 × 728,940.92 - Step 4: Simplify right side
1,340,746.97x = 1,348,735,567,814.22 - Step 5: Solve for x
x = 1,348,735,567,814.22/1,340,746.97 - Step 6: Final answer
x = 1,005,958.32
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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.