Finding the Fourth Proportional to 1,026,513.12, 1,416,619.44 and 573,823.20
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Solution
The fourth proportional to 1,026,513.12, 1,416,619.44 and 573,823.20 is: 791,893.53
Step by Step Solution
- Step 1: Write the proportion equation
1,026,513.12 : 1,416,619.44 = 573,823.20 : x - Step 2: Convert to fraction form
1,026,513.12/1,416,619.44 = 573,823.20/x - Step 3: Cross multiply
1,026,513.12x = 1,416,619.44 × 573,823.20 - Step 4: Simplify right side
1,026,513.12x = 812,889,100,243.01 - Step 5: Solve for x
x = 812,889,100,243.01/1,026,513.12 - Step 6: Final answer
x = 791,893.53
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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.