Finding the Fourth Proportional to 1,335,038.40, 2,003,169.90 and 728,014.68
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Solution
The fourth proportional to 1,335,038.40, 2,003,169.90 and 728,014.68 is: 1,092,355.92
Step by Step Solution
- Step 1: Write the proportion equation
1,335,038.40 : 2,003,169.90 = 728,014.68 : x - Step 2: Convert to fraction form
1,335,038.40/2,003,169.90 = 728,014.68/x - Step 3: Cross multiply
1,335,038.40x = 2,003,169.90 × 728,014.68 - Step 4: Simplify right side
1,335,038.40x = 1,458,337,093,734.13 - Step 5: Solve for x
x = 1,458,337,093,734.13/1,335,038.40 - Step 6: Final answer
x = 1,092,355.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.