Finding the Fourth Proportional to 1,403,578.79, 1,936,895.05 and 791,722.41
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Solution
The fourth proportional to 1,403,578.79, 1,936,895.05 and 791,722.41 is: 1,092,552.29
Step by Step Solution
- Step 1: Write the proportion equation
1,403,578.79 : 1,936,895.05 = 791,722.41 : x - Step 2: Convert to fraction form
1,403,578.79/1,936,895.05 = 791,722.41/x - Step 3: Cross multiply
1,403,578.79x = 1,936,895.05 × 791,722.41 - Step 4: Simplify right side
1,403,578.79x = 1,533,483,216,903.07 - Step 5: Solve for x
x = 1,533,483,216,903.07/1,403,578.79 - Step 6: Final answer
x = 1,092,552.29
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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.