Finding the Fourth Proportional to 1,181,206.20, 1,771,463.70 and 422,959.80
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Solution
The fourth proportional to 1,181,206.20, 1,771,463.70 and 422,959.80 is: 634,315.95
Step by Step Solution
- Step 1: Write the proportion equation
1,181,206.20 : 1,771,463.70 = 422,959.80 : x - Step 2: Convert to fraction form
1,181,206.20/1,771,463.70 = 422,959.80/x - Step 3: Cross multiply
1,181,206.20x = 1,771,463.70 × 422,959.80 - Step 4: Simplify right side
1,181,206.20x = 749,257,932,259.26 - Step 5: Solve for x
x = 749,257,932,259.26/1,181,206.20 - Step 6: Final answer
x = 634,315.95
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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.