Finding the Fourth Proportional to 1,228,747.93, 1,695,679.92 and 684,918.18
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Solution
The fourth proportional to 1,228,747.93, 1,695,679.92 and 684,918.18 is: 945,191.43
Step by Step Solution
- Step 1: Write the proportion equation
1,228,747.93 : 1,695,679.92 = 684,918.18 : x - Step 2: Convert to fraction form
1,228,747.93/1,695,679.92 = 684,918.18/x - Step 3: Cross multiply
1,228,747.93x = 1,695,679.92 × 684,918.18 - Step 4: Simplify right side
1,228,747.93x = 1,161,402,004,668.95 - Step 5: Solve for x
x = 1,161,402,004,668.95/1,228,747.93 - Step 6: Final answer
x = 945,191.43
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1.5x scale
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.