Finding the Fourth Proportional to 1,379,266.92, 2,066,210.36 and 778,410.54
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Solution
The fourth proportional to 1,379,266.92, 2,066,210.36 and 778,410.54 is: 1,166,097.65
Step by Step Solution
- Step 1: Write the proportion equation
1,379,266.92 : 2,066,210.36 = 778,410.54 : x - Step 2: Convert to fraction form
1,379,266.92/2,066,210.36 = 778,410.54/x - Step 3: Cross multiply
1,379,266.92x = 2,066,210.36 × 778,410.54 - Step 4: Simplify right side
1,379,266.92x = 1,608,359,918,189.14 - Step 5: Solve for x
x = 1,608,359,918,189.14/1,379,266.92 - Step 6: Final answer
x = 1,166,097.65
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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.