Finding the Fourth Proportional to 1,429,744.37, 1,972,553.99 and 913,800.28
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Solution
The fourth proportional to 1,429,744.37, 1,972,553.99 and 913,800.28 is: 1,260,729.14
Step by Step Solution
- Step 1: Write the proportion equation
1,429,744.37 : 1,972,553.99 = 913,800.28 : x - Step 2: Convert to fraction form
1,429,744.37/1,972,553.99 = 913,800.28/x - Step 3: Cross multiply
1,429,744.37x = 1,972,553.99 × 913,800.28 - Step 4: Simplify right side
1,429,744.37x = 1,802,520,385,730.23 - Step 5: Solve for x
x = 1,802,520,385,730.23/1,429,744.37 - Step 6: Final answer
x = 1,260,729.14
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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.