Finding the Fourth Proportional to 1,273,954.48, 1,757,856.24 and 729,985.60
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Solution
The fourth proportional to 1,273,954.48, 1,757,856.24 and 729,985.60 is: 1,007,264.99
Step by Step Solution
- Step 1: Write the proportion equation
1,273,954.48 : 1,757,856.24 = 729,985.60 : x - Step 2: Convert to fraction form
1,273,954.48/1,757,856.24 = 729,985.60/x - Step 3: Cross multiply
1,273,954.48x = 1,757,856.24 × 729,985.60 - Step 4: Simplify right side
1,273,954.48x = 1,283,209,742,070.14 - Step 5: Solve for x
x = 1,283,209,742,070.14/1,273,954.48 - Step 6: Final answer
x = 1,007,264.99
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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.