Finding the Fourth Proportional to 1,419,210.58, 2,129,756.09 and 779,960.74
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Solution
The fourth proportional to 1,419,210.58, 2,129,756.09 and 779,960.74 is: 1,170,457.83
Step by Step Solution
- Step 1: Write the proportion equation
1,419,210.58 : 2,129,756.09 = 779,960.74 : x - Step 2: Convert to fraction form
1,419,210.58/2,129,756.09 = 779,960.74/x - Step 3: Cross multiply
1,419,210.58x = 2,129,756.09 × 779,960.74 - Step 4: Simplify right side
1,419,210.58x = 1,661,126,135,975.91 - Step 5: Solve for x
x = 1,661,126,135,975.91/1,419,210.58 - Step 6: Final answer
x = 1,170,457.83
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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.