Finding the Fourth Proportional to 1,026,116.48, 1,539,201.60 and 486,246.08
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Solution
The fourth proportional to 1,026,116.48, 1,539,201.60 and 486,246.08 is: 729,381.86
Step by Step Solution
- Step 1: Write the proportion equation
1,026,116.48 : 1,539,201.60 = 486,246.08 : x - Step 2: Convert to fraction form
1,026,116.48/1,539,201.60 = 486,246.08/x - Step 3: Cross multiply
1,026,116.48x = 1,539,201.60 × 486,246.08 - Step 4: Simplify right side
1,026,116.48x = 748,430,744,329.73 - Step 5: Solve for x
x = 748,430,744,329.73/1,026,116.48 - Step 6: Final answer
x = 729,381.86
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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.