Finding the Fourth Proportional to 1,340,972.28, 1,850,276.70 and 752,291.64
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Solution
The fourth proportional to 1,340,972.28, 1,850,276.70 and 752,291.64 is: 1,038,013.77
Step by Step Solution
- Step 1: Write the proportion equation
1,340,972.28 : 1,850,276.70 = 752,291.64 : x - Step 2: Convert to fraction form
1,340,972.28/1,850,276.70 = 752,291.64/x - Step 3: Cross multiply
1,340,972.28x = 1,850,276.70 × 752,291.64 - Step 4: Simplify right side
1,340,972.28x = 1,391,947,693,096.79 - Step 5: Solve for x
x = 1,391,947,693,096.79/1,340,972.28 - Step 6: Final answer
x = 1,038,013.77
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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.