Finding the Fourth Proportional to 1,021,257.68, 1,409,323.70 and 562,362.70
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Solution
The fourth proportional to 1,021,257.68, 1,409,323.70 and 562,362.70 is: 776,053.97
Step by Step Solution
- Step 1: Write the proportion equation
1,021,257.68 : 1,409,323.70 = 562,362.70 : x - Step 2: Convert to fraction form
1,021,257.68/1,409,323.70 = 562,362.70/x - Step 3: Cross multiply
1,021,257.68x = 1,409,323.70 × 562,362.70 - Step 4: Simplify right side
1,021,257.68x = 792,551,081,105.99 - Step 5: Solve for x
x = 792,551,081,105.99/1,021,257.68 - Step 6: Final answer
x = 776,053.97
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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.