Finding the Fourth Proportional to 1,361,126.96, 1,878,463.68 and 788,177.24
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Solution
The fourth proportional to 1,361,126.96, 1,878,463.68 and 788,177.24 is: 1,087,747.41
Step by Step Solution
- Step 1: Write the proportion equation
1,361,126.96 : 1,878,463.68 = 788,177.24 : x - Step 2: Convert to fraction form
1,361,126.96/1,878,463.68 = 788,177.24/x - Step 3: Cross multiply
1,361,126.96x = 1,878,463.68 × 788,177.24 - Step 4: Simplify right side
1,361,126.96x = 1,480,562,318,742.64 - Step 5: Solve for x
x = 1,480,562,318,742.64/1,361,126.96 - Step 6: Final answer
x = 1,087,747.41
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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.