Finding the Fourth Proportional to 1,379,242.68, 2,069,044.71 and 455,691.75
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Solution
The fourth proportional to 1,379,242.68, 2,069,044.71 and 455,691.75 is: 683,597.32
Step by Step Solution
- Step 1: Write the proportion equation
1,379,242.68 : 2,069,044.71 = 455,691.75 : x - Step 2: Convert to fraction form
1,379,242.68/2,069,044.71 = 455,691.75/x - Step 3: Cross multiply
1,379,242.68x = 2,069,044.71 × 455,691.75 - Step 4: Simplify right side
1,379,242.68x = 942,846,604,728.14 - Step 5: Solve for x
x = 942,846,604,728.14/1,379,242.68 - Step 6: Final answer
x = 683,597.32
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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.