Finding the Fourth Proportional to 1,181,029.60, 1,771,981.80 and 471,566.80
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Solution
The fourth proportional to 1,181,029.60, 1,771,981.80 and 471,566.80 is: 707,524.85
Step by Step Solution
- Step 1: Write the proportion equation
1,181,029.60 : 1,771,981.80 = 471,566.80 : x - Step 2: Convert to fraction form
1,181,029.60/1,771,981.80 = 471,566.80/x - Step 3: Cross multiply
1,181,029.60x = 1,771,981.80 × 471,566.80 - Step 4: Simplify right side
1,181,029.60x = 835,607,787,084.24 - Step 5: Solve for x
x = 835,607,787,084.24/1,181,029.60 - Step 6: Final answer
x = 707,524.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.