Finding the Fourth Proportional to 1,405,690.65, 2,108,536.23 and 507,132.09
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Solution
The fourth proportional to 1,405,690.65, 2,108,536.23 and 507,132.09 is: 760,698.23
Step by Step Solution
- Step 1: Write the proportion equation
1,405,690.65 : 2,108,536.23 = 507,132.09 : x - Step 2: Convert to fraction form
1,405,690.65/2,108,536.23 = 507,132.09/x - Step 3: Cross multiply
1,405,690.65x = 2,108,536.23 × 507,132.09 - Step 4: Simplify right side
1,405,690.65x = 1,069,306,385,160.62 - Step 5: Solve for x
x = 1,069,306,385,160.62/1,405,690.65 - Step 6: Final answer
x = 760,698.23
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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.