Finding the Fourth Proportional to 1,316,664.12, 1,975,064.49 and 418,176.18
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Solution
The fourth proportional to 1,316,664.12, 1,975,064.49 and 418,176.18 is: 627,285.97
Step by Step Solution
- Step 1: Write the proportion equation
1,316,664.12 : 1,975,064.49 = 418,176.18 : x - Step 2: Convert to fraction form
1,316,664.12/1,975,064.49 = 418,176.18/x - Step 3: Cross multiply
1,316,664.12x = 1,975,064.49 × 418,176.18 - Step 4: Simplify right side
1,316,664.12x = 825,924,923,681.85 - Step 5: Solve for x
x = 825,924,923,681.85/1,316,664.12 - Step 6: Final answer
x = 627,285.97
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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.