Finding the Fourth Proportional to 1,119,564.12, 1,679,609.84 and 445,683.84
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Solution
The fourth proportional to 1,119,564.12, 1,679,609.84 and 445,683.84 is: 668,630.72
Step by Step Solution
- Step 1: Write the proportion equation
1,119,564.12 : 1,679,609.84 = 445,683.84 : x - Step 2: Convert to fraction form
1,119,564.12/1,679,609.84 = 445,683.84/x - Step 3: Cross multiply
1,119,564.12x = 1,679,609.84 × 445,683.84 - Step 4: Simplify right side
1,119,564.12x = 748,574,963,192.99 - Step 5: Solve for x
x = 748,574,963,192.99/1,119,564.12 - Step 6: Final answer
x = 668,630.72
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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.