Finding the Fourth Proportional to 1,327,246.92, 1,831,547.99 and 783,557.84
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Solution
The fourth proportional to 1,327,246.92, 1,831,547.99 and 783,557.84 is: 1,081,278.67
Step by Step Solution
- Step 1: Write the proportion equation
1,327,246.92 : 1,831,547.99 = 783,557.84 : x - Step 2: Convert to fraction form
1,327,246.92/1,831,547.99 = 783,557.84/x - Step 3: Cross multiply
1,327,246.92x = 1,831,547.99 × 783,557.84 - Step 4: Simplify right side
1,327,246.92x = 1,435,123,787,561.82 - Step 5: Solve for x
x = 1,435,123,787,561.82/1,327,246.92 - Step 6: Final answer
x = 1,081,278.67
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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.