Finding the Fourth Proportional to 1,130,744.12, 1,696,199.24 and 420,772.08
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Solution
The fourth proportional to 1,130,744.12, 1,696,199.24 and 420,772.08 is: 631,189.03
Step by Step Solution
- Step 1: Write the proportion equation
1,130,744.12 : 1,696,199.24 = 420,772.08 : x - Step 2: Convert to fraction form
1,130,744.12/1,696,199.24 = 420,772.08/x - Step 3: Cross multiply
1,130,744.12x = 1,696,199.24 × 420,772.08 - Step 4: Simplify right side
1,130,744.12x = 713,713,282,309.22 - Step 5: Solve for x
x = 713,713,282,309.22/1,130,744.12 - Step 6: Final answer
x = 631,189.03
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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.