Finding the Fourth Proportional to 1,119,672, 1,545,699 and 775,768.68
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Solution
The fourth proportional to 1,119,672, 1,545,699 and 775,768.68 is: 1,070,942.98
Step by Step Solution
- Step 1: Write the proportion equation
1,119,672 : 1,545,699 = 775,768.68 : x - Step 2: Convert to fraction form
1,119,672/1,545,699 = 775,768.68/x - Step 3: Cross multiply
1,119,672x = 1,545,699 × 775,768.68 - Step 4: Simplify right side
1,119,672x = 1,199,104,872,907.32 - Step 5: Solve for x
x = 1,199,104,872,907.32/1,119,672 - Step 6: Final answer
x = 1,070,942.98
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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.