Finding the Fourth Proportional to 1,235,182.60, 1,852,313.10 and 487,073.80
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Solution
The fourth proportional to 1,235,182.60, 1,852,313.10 and 487,073.80 is: 730,428.99
Step by Step Solution
- Step 1: Write the proportion equation
1,235,182.60 : 1,852,313.10 = 487,073.80 : x - Step 2: Convert to fraction form
1,235,182.60/1,852,313.10 = 487,073.80/x - Step 3: Cross multiply
1,235,182.60x = 1,852,313.10 × 487,073.80 - Step 4: Simplify right side
1,235,182.60x = 902,213,180,406.78 - Step 5: Solve for x
x = 902,213,180,406.78/1,235,182.60 - Step 6: Final answer
x = 730,428.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.