Finding the Fourth Proportional to 1,107,758.01, 1,660,972.65 and 507,967.79
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Solution
The fourth proportional to 1,107,758.01, 1,660,972.65 and 507,967.79 is: 761,647.03
Step by Step Solution
- Step 1: Write the proportion equation
1,107,758.01 : 1,660,972.65 = 507,967.79 : x - Step 2: Convert to fraction form
1,107,758.01/1,660,972.65 = 507,967.79/x - Step 3: Cross multiply
1,107,758.01x = 1,660,972.65 × 507,967.79 - Step 4: Simplify right side
1,107,758.01x = 843,720,597,966.08 - Step 5: Solve for x
x = 843,720,597,966.08/1,107,758.01 - Step 6: Final answer
x = 761,647.03
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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.