Finding the Fourth Proportional to 1,227,924.24, 1,694,509.92 and 684,059.28
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Solution
The fourth proportional to 1,227,924.24, 1,694,509.92 and 684,059.28 is: 943,987.58
Step by Step Solution
- Step 1: Write the proportion equation
1,227,924.24 : 1,694,509.92 = 684,059.28 : x - Step 2: Convert to fraction form
1,227,924.24/1,694,509.92 = 684,059.28/x - Step 3: Cross multiply
1,227,924.24x = 1,694,509.92 × 684,059.28 - Step 4: Simplify right side
1,227,924.24x = 1,159,145,235,828.06 - Step 5: Solve for x
x = 1,159,145,235,828.06/1,227,924.24 - Step 6: Final answer
x = 943,987.58
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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.