Finding the Fourth Proportional to 1,228,809.96, 1,695,765.46 and 684,980.28
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Solution
The fourth proportional to 1,228,809.96, 1,695,765.46 and 684,980.28 is: 945,277.09
Step by Step Solution
- Step 1: Write the proportion equation
1,228,809.96 : 1,695,765.46 = 684,980.28 : x - Step 2: Convert to fraction form
1,228,809.96/1,695,765.46 = 684,980.28/x - Step 3: Cross multiply
1,228,809.96x = 1,695,765.46 × 684,980.28 - Step 4: Simplify right side
1,228,809.96x = 1,161,565,899,605.13 - Step 5: Solve for x
x = 1,161,565,899,605.13/1,228,809.96 - Step 6: Final answer
x = 945,277.09
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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.