Finding the Fourth Proportional to 1,326,734.45, 1,990,090.75 and 380,106.08
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Solution
The fourth proportional to 1,326,734.45, 1,990,090.75 and 380,106.08 is: 570,155.99
Step by Step Solution
- Step 1: Write the proportion equation
1,326,734.45 : 1,990,090.75 = 380,106.08 : x - Step 2: Convert to fraction form
1,326,734.45/1,990,090.75 = 380,106.08/x - Step 3: Cross multiply
1,326,734.45x = 1,990,090.75 × 380,106.08 - Step 4: Simplify right side
1,326,734.45x = 756,445,600,870.44 - Step 5: Solve for x
x = 756,445,600,870.44/1,326,734.45 - Step 6: Final answer
x = 570,155.99
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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.