Finding the Fourth Proportional to 1,419,209.58, 2,129,754.59 and 779,959.74
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Solution
The fourth proportional to 1,419,209.58, 2,129,754.59 and 779,959.74 is: 1,170,456.33
Step by Step Solution
- Step 1: Write the proportion equation
1,419,209.58 : 2,129,754.59 = 779,959.74 : x - Step 2: Convert to fraction form
1,419,209.58/2,129,754.59 = 779,959.74/x - Step 3: Cross multiply
1,419,209.58x = 2,129,754.59 × 779,959.74 - Step 4: Simplify right side
1,419,209.58x = 1,661,122,832,380.41 - Step 5: Solve for x
x = 1,661,122,832,380.41/1,419,209.58 - Step 6: Final answer
x = 1,170,456.33
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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.