Finding the Fourth Proportional to 1,327,248.20, 1,831,549.76 and 783,559.12
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Solution
The fourth proportional to 1,327,248.20, 1,831,549.76 and 783,559.12 is: 1,081,280.44
Step by Step Solution
- Step 1: Write the proportion equation
1,327,248.20 : 1,831,549.76 = 783,559.12 : x - Step 2: Convert to fraction form
1,327,248.20/1,831,549.76 = 783,559.12/x - Step 3: Cross multiply
1,327,248.20x = 1,831,549.76 × 783,559.12 - Step 4: Simplify right side
1,327,248.20x = 1,435,127,518,181.81 - Step 5: Solve for x
x = 1,435,127,518,181.81/1,327,248.20 - Step 6: Final answer
x = 1,081,280.44
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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.