Finding the Fourth Proportional to 1,130,916.06, 1,560,759.03 and 621,714.42
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Solution
The fourth proportional to 1,130,916.06, 1,560,759.03 and 621,714.42 is: 858,018.05
Step by Step Solution
- Step 1: Write the proportion equation
1,130,916.06 : 1,560,759.03 = 621,714.42 : x - Step 2: Convert to fraction form
1,130,916.06/1,560,759.03 = 621,714.42/x - Step 3: Cross multiply
1,130,916.06x = 1,560,759.03 × 621,714.42 - Step 4: Simplify right side
1,130,916.06x = 970,346,395,096.21 - Step 5: Solve for x
x = 970,346,395,096.21/1,130,916.06 - Step 6: Final answer
x = 858,018.05
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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.