Finding the Fourth Proportional to 1,021,708.84, 1,409,742.48 and 591,962.80
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Solution
The fourth proportional to 1,021,708.84, 1,409,742.48 and 591,962.80 is: 816,783.68
Step by Step Solution
- Step 1: Write the proportion equation
1,021,708.84 : 1,409,742.48 = 591,962.80 : x - Step 2: Convert to fraction form
1,021,708.84/1,409,742.48 = 591,962.80/x - Step 3: Cross multiply
1,021,708.84x = 1,409,742.48 × 591,962.80 - Step 4: Simplify right side
1,021,708.84x = 834,515,105,739.74 - Step 5: Solve for x
x = 834,515,105,739.74/1,021,708.84 - Step 6: Final answer
x = 816,783.68
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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.