Finding the Fourth Proportional to 1,242,665.28, 1,715,455.68 and 936,865.44
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Solution
The fourth proportional to 1,242,665.28, 1,715,455.68 and 936,865.44 is: 1,293,309.76
Step by Step Solution
- Step 1: Write the proportion equation
1,242,665.28 : 1,715,455.68 = 936,865.44 : x - Step 2: Convert to fraction form
1,242,665.28/1,715,455.68 = 936,865.44/x - Step 3: Cross multiply
1,242,665.28x = 1,715,455.68 × 936,865.44 - Step 4: Simplify right side
1,242,665.28x = 1,607,151,140,443.70 - Step 5: Solve for x
x = 1,607,151,140,443.70/1,242,665.28 - Step 6: Final answer
x = 1,293,309.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.