Finding the Fourth Proportional to 1,291,371.42, 1,937,057.12 and 470,771.58
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Solution
The fourth proportional to 1,291,371.42, 1,937,057.12 and 470,771.58 is: 706,157.37
Step by Step Solution
- Step 1: Write the proportion equation
1,291,371.42 : 1,937,057.12 = 470,771.58 : x - Step 2: Convert to fraction form
1,291,371.42/1,937,057.12 = 470,771.58/x - Step 3: Cross multiply
1,291,371.42x = 1,937,057.12 × 470,771.58 - Step 4: Simplify right side
1,291,371.42x = 911,911,440,932.65 - Step 5: Solve for x
x = 911,911,440,932.65/1,291,371.42 - Step 6: Final answer
x = 706,157.37
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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.