Finding the Fourth Proportional to 1,207,958, 1,666,939.58 and 664,089.84
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Solution
The fourth proportional to 1,207,958, 1,666,939.58 and 664,089.84 is: 916,420.64
Step by Step Solution
- Step 1: Write the proportion equation
1,207,958 : 1,666,939.58 = 664,089.84 : x - Step 2: Convert to fraction form
1,207,958/1,666,939.58 = 664,089.84/x - Step 3: Cross multiply
1,207,958x = 1,666,939.58 × 664,089.84 - Step 4: Simplify right side
1,207,958x = 1,106,997,638,971.87 - Step 5: Solve for x
x = 1,106,997,638,971.87/1,207,958 - Step 6: Final answer
x = 916,420.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.