Finding the Fourth Proportional to 1,361,250.96, 2,043,138.93 and 687,805.20
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Solution
The fourth proportional to 1,361,250.96, 2,043,138.93 and 687,805.20 is: 1,032,345.70
Step by Step Solution
- Step 1: Write the proportion equation
1,361,250.96 : 2,043,138.93 = 687,805.20 : x - Step 2: Convert to fraction form
1,361,250.96/2,043,138.93 = 687,805.20/x - Step 3: Cross multiply
1,361,250.96x = 2,043,138.93 × 687,805.20 - Step 4: Simplify right side
1,361,250.96x = 1,405,281,580,376.44 - Step 5: Solve for x
x = 1,405,281,580,376.44/1,361,250.96 - Step 6: Final answer
x = 1,032,345.70
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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.