Finding the Fourth Proportional to 1,228,864.99, 1,695,809.37 and 684,968.35
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Solution
The fourth proportional to 1,228,864.99, 1,695,809.37 and 684,968.35 is: 945,242.77
Step by Step Solution
- Step 1: Write the proportion equation
1,228,864.99 : 1,695,809.37 = 684,968.35 : x - Step 2: Convert to fraction form
1,228,864.99/1,695,809.37 = 684,968.35/x - Step 3: Cross multiply
1,228,864.99x = 1,695,809.37 × 684,968.35 - Step 4: Simplify right side
1,228,864.99x = 1,161,575,746,083.44 - Step 5: Solve for x
x = 1,161,575,746,083.44/1,228,864.99 - Step 6: Final answer
x = 945,242.77
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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.