Finding the Fourth Proportional to 1,021,505.84, 1,409,664.80 and 562,611.68
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Solution
The fourth proportional to 1,021,505.84, 1,409,664.80 and 562,611.68 is: 776,396.82
Step by Step Solution
- Step 1: Write the proportion equation
1,021,505.84 : 1,409,664.80 = 562,611.68 : x - Step 2: Convert to fraction form
1,021,505.84/1,409,664.80 = 562,611.68/x - Step 3: Cross multiply
1,021,505.84x = 1,409,664.80 × 562,611.68 - Step 4: Simplify right side
1,021,505.84x = 793,093,881,364.86 - Step 5: Solve for x
x = 793,093,881,364.86/1,021,505.84 - Step 6: Final answer
x = 776,396.82
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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.