Finding the Fourth Proportional to 1,021,925.18, 1,409,187.84 and 763,396.94
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Solution
The fourth proportional to 1,021,925.18, 1,409,187.84 and 763,396.94 is: 1,052,689.28
Step by Step Solution
- Step 1: Write the proportion equation
1,021,925.18 : 1,409,187.84 = 763,396.94 : x - Step 2: Convert to fraction form
1,021,925.18/1,409,187.84 = 763,396.94/x - Step 3: Cross multiply
1,021,925.18x = 1,409,187.84 × 763,396.94 - Step 4: Simplify right side
1,021,925.18x = 1,075,769,684,941.21 - Step 5: Solve for x
x = 1,075,769,684,941.21/1,021,925.18 - Step 6: Final answer
x = 1,052,689.28
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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.