Finding the Fourth Proportional to 1,103,808.24, 1,523,269.08 and 668,219.79
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Solution
The fourth proportional to 1,103,808.24, 1,523,269.08 and 668,219.79 is: 922,151.61
Step by Step Solution
- Step 1: Write the proportion equation
1,103,808.24 : 1,523,269.08 = 668,219.79 : x - Step 2: Convert to fraction form
1,103,808.24/1,523,269.08 = 668,219.79/x - Step 3: Cross multiply
1,103,808.24x = 1,523,269.08 × 668,219.79 - Step 4: Simplify right side
1,103,808.24x = 1,017,878,544,751.09 - Step 5: Solve for x
x = 1,017,878,544,751.09/1,103,808.24 - Step 6: Final answer
x = 922,151.61
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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.