Finding the Fourth Proportional to 1,228,848.73, 1,695,786.97 and 684,952.09
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Solution
The fourth proportional to 1,228,848.73, 1,695,786.97 and 684,952.09 is: 945,220.35
Step by Step Solution
- Step 1: Write the proportion equation
1,228,848.73 : 1,695,786.97 = 684,952.09 : x - Step 2: Convert to fraction form
1,228,848.73/1,695,786.97 = 684,952.09/x - Step 3: Cross multiply
1,228,848.73x = 1,695,786.97 × 684,952.09 - Step 4: Simplify right side
1,228,848.73x = 1,161,532,829,296.27 - Step 5: Solve for x
x = 1,161,532,829,296.27/1,228,848.73 - Step 6: Final answer
x = 945,220.35
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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.