Finding the Fourth Proportional to 1,340,758.76, 1,850,283.57 and 728,952.68
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Solution
The fourth proportional to 1,340,758.76, 1,850,283.57 and 728,952.68 is: 1,005,974.53
Step by Step Solution
- Step 1: Write the proportion equation
1,340,758.76 : 1,850,283.57 = 728,952.68 : x - Step 2: Convert to fraction form
1,340,758.76/1,850,283.57 = 728,952.68/x - Step 3: Cross multiply
1,340,758.76x = 1,850,283.57 × 728,952.68 - Step 4: Simplify right side
1,340,758.76x = 1,348,769,167,111.47 - Step 5: Solve for x
x = 1,348,769,167,111.47/1,340,758.76 - Step 6: Final answer
x = 1,005,974.53
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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.