Finding the Fourth Proportional to 1,554,301.20, 2,330,760.60 and 713,110.80
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Solution
The fourth proportional to 1,554,301.20, 2,330,760.60 and 713,110.80 is: 1,069,349.08
Step by Step Solution
- Step 1: Write the proportion equation
1,554,301.20 : 2,330,760.60 = 713,110.80 : x - Step 2: Convert to fraction form
1,554,301.20/2,330,760.60 = 713,110.80/x - Step 3: Cross multiply
1,554,301.20x = 2,330,760.60 × 713,110.80 - Step 4: Simplify right side
1,554,301.20x = 1,662,090,556,074.48 - Step 5: Solve for x
x = 1,662,090,556,074.48/1,554,301.20 - Step 6: Final answer
x = 1,069,349.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.