Finding the Fourth Proportional to 1,450,368.79, 2,001,391.59 and 838,560.80
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Solution
The fourth proportional to 1,450,368.79, 2,001,391.59 and 838,560.80 is: 1,157,146.07
Step by Step Solution
- Step 1: Write the proportion equation
1,450,368.79 : 2,001,391.59 = 838,560.80 : x - Step 2: Convert to fraction form
1,450,368.79/2,001,391.59 = 838,560.80/x - Step 3: Cross multiply
1,450,368.79x = 2,001,391.59 × 838,560.80 - Step 4: Simplify right side
1,450,368.79x = 1,678,288,532,823.67 - Step 5: Solve for x
x = 1,678,288,532,823.67/1,450,368.79 - Step 6: Final answer
x = 1,157,146.07
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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.