Finding the Fourth Proportional to 1,142,938.56, 1,714,239.36 and 301,549.44
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Solution
The fourth proportional to 1,142,938.56, 1,714,239.36 and 301,549.44 is: 452,279.71
Step by Step Solution
- Step 1: Write the proportion equation
1,142,938.56 : 1,714,239.36 = 301,549.44 : x - Step 2: Convert to fraction form
1,142,938.56/1,714,239.36 = 301,549.44/x - Step 3: Cross multiply
1,142,938.56x = 1,714,239.36 × 301,549.44 - Step 4: Simplify right side
1,142,938.56x = 516,927,919,033.96 - Step 5: Solve for x
x = 516,927,919,033.96/1,142,938.56 - Step 6: Final answer
x = 452,279.71
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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.