Finding the Fourth Proportional to 1,186,227.24, 1,778,972.84 and 427,970.13
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Solution
The fourth proportional to 1,186,227.24, 1,778,972.84 and 427,970.13 is: 641,822.42
Step by Step Solution
- Step 1: Write the proportion equation
1,186,227.24 : 1,778,972.84 = 427,970.13 : x - Step 2: Convert to fraction form
1,186,227.24/1,778,972.84 = 427,970.13/x - Step 3: Cross multiply
1,186,227.24x = 1,778,972.84 × 427,970.13 - Step 4: Simplify right side
1,186,227.24x = 761,347,235,461.42 - Step 5: Solve for x
x = 761,347,235,461.42/1,186,227.24 - Step 6: Final answer
x = 641,822.42
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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.