Finding the Fourth Proportional to 1,745,328.70, 2,615,919.45 and 734,448.70
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Solution
The fourth proportional to 1,745,328.70, 2,615,919.45 and 734,448.70 is: 1,100,800.46
Step by Step Solution
- Step 1: Write the proportion equation
1,745,328.70 : 2,615,919.45 = 734,448.70 : x - Step 2: Convert to fraction form
1,745,328.70/2,615,919.45 = 734,448.70/x - Step 3: Cross multiply
1,745,328.70x = 2,615,919.45 × 734,448.70 - Step 4: Simplify right side
1,745,328.70x = 1,921,258,639,357.22 - Step 5: Solve for x
x = 1,921,258,639,357.22/1,745,328.70 - Step 6: Final answer
x = 1,100,800.46
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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.