Finding the Fourth Proportional to 1,417,056, 1,955,537.28 and 813,638.40
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Solution
The fourth proportional to 1,417,056, 1,955,537.28 and 813,638.40 is: 1,122,820.99
Step by Step Solution
- Step 1: Write the proportion equation
1,417,056 : 1,955,537.28 = 813,638.40 : x - Step 2: Convert to fraction form
1,417,056/1,955,537.28 = 813,638.40/x - Step 3: Cross multiply
1,417,056x = 1,955,537.28 × 813,638.40 - Step 4: Simplify right side
1,417,056x = 1,591,100,223,639.55 - Step 5: Solve for x
x = 1,591,100,223,639.55/1,417,056 - Step 6: Final answer
x = 1,122,820.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.