Finding the Fourth Proportional to 1,251,977.34, 1,727,462.79 and 742,845.18
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Solution
The fourth proportional to 1,251,977.34, 1,727,462.79 and 742,845.18 is: 1,024,968.56
Step by Step Solution
- Step 1: Write the proportion equation
1,251,977.34 : 1,727,462.79 = 742,845.18 : x - Step 2: Convert to fraction form
1,251,977.34/1,727,462.79 = 742,845.18/x - Step 3: Cross multiply
1,251,977.34x = 1,727,462.79 × 742,845.18 - Step 4: Simplify right side
1,251,977.34x = 1,283,237,407,180.85 - Step 5: Solve for x
x = 1,283,237,407,180.85/1,251,977.34 - Step 6: Final answer
x = 1,024,968.56
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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.