Finding the Fourth Proportional to 1,418,933.28, 2,128,340.37 and 660,514.08
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Solution
The fourth proportional to 1,418,933.28, 2,128,340.37 and 660,514.08 is: 990,743.40
Step by Step Solution
- Step 1: Write the proportion equation
1,418,933.28 : 2,128,340.37 = 660,514.08 : x - Step 2: Convert to fraction form
1,418,933.28/2,128,340.37 = 660,514.08/x - Step 3: Cross multiply
1,418,933.28x = 2,128,340.37 × 660,514.08 - Step 4: Simplify right side
1,418,933.28x = 1,405,798,781,417.41 - Step 5: Solve for x
x = 1,405,798,781,417.41/1,418,933.28 - Step 6: Final answer
x = 990,743.40
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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.