Finding the Fourth Proportional to 1,282,173.96, 1,769,289.84 and 709,071.48
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Solution
The fourth proportional to 1,282,173.96, 1,769,289.84 and 709,071.48 is: 978,457.69
Step by Step Solution
- Step 1: Write the proportion equation
1,282,173.96 : 1,769,289.84 = 709,071.48 : x - Step 2: Convert to fraction form
1,282,173.96/1,769,289.84 = 709,071.48/x - Step 3: Cross multiply
1,282,173.96x = 1,769,289.84 × 709,071.48 - Step 4: Simplify right side
1,282,173.96x = 1,254,552,965,397.76 - Step 5: Solve for x
x = 1,254,552,965,397.76/1,282,173.96 - Step 6: Final answer
x = 978,457.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.