Finding the Fourth Proportional to 1,130,497.60, 1,560,086.40 and 621,232.96
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Solution
The fourth proportional to 1,130,497.60, 1,560,086.40 and 621,232.96 is: 857,301.33
Step by Step Solution
- Step 1: Write the proportion equation
1,130,497.60 : 1,560,086.40 = 621,232.96 : x - Step 2: Convert to fraction form
1,130,497.60/1,560,086.40 = 621,232.96/x - Step 3: Cross multiply
1,130,497.60x = 1,560,086.40 × 621,232.96 - Step 4: Simplify right side
1,130,497.60x = 969,177,092,127.74 - Step 5: Solve for x
x = 969,177,092,127.74/1,130,497.60 - Step 6: Final answer
x = 857,301.33
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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.