Finding the Fourth Proportional to 1,380,674.13, 2,070,048.31 and 611,753.63
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Solution
The fourth proportional to 1,380,674.13, 2,070,048.31 and 611,753.63 is: 917,203.80
Step by Step Solution
- Step 1: Write the proportion equation
1,380,674.13 : 2,070,048.31 = 611,753.63 : x - Step 2: Convert to fraction form
1,380,674.13/2,070,048.31 = 611,753.63/x - Step 3: Cross multiply
1,380,674.13x = 2,070,048.31 × 611,753.63 - Step 4: Simplify right side
1,380,674.13x = 1,266,359,562,742.74 - Step 5: Solve for x
x = 1,266,359,562,742.74/1,380,674.13 - Step 6: Final answer
x = 917,203.80
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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.