Finding the Fourth Proportional to 1,134,563.30, 1,699,512.15 and 779,977.70
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Solution
The fourth proportional to 1,134,563.30, 1,699,512.15 and 779,977.70 is: 1,168,362.82
Step by Step Solution
- Step 1: Write the proportion equation
1,134,563.30 : 1,699,512.15 = 779,977.70 : x - Step 2: Convert to fraction form
1,134,563.30/1,699,512.15 = 779,977.70/x - Step 3: Cross multiply
1,134,563.30x = 1,699,512.15 × 779,977.70 - Step 4: Simplify right side
1,134,563.30x = 1,325,581,577,879.06 - Step 5: Solve for x
x = 1,325,581,577,879.06/1,134,563.30 - Step 6: Final answer
x = 1,168,362.82
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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.