Finding the Fourth Proportional to 1,112,455.69, 1,668,599.70 and 354,266.53
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Solution
The fourth proportional to 1,112,455.69, 1,668,599.70 and 354,266.53 is: 531,373.09
Step by Step Solution
- Step 1: Write the proportion equation
1,112,455.69 : 1,668,599.70 = 354,266.53 : x - Step 2: Convert to fraction form
1,112,455.69/1,668,599.70 = 354,266.53/x - Step 3: Cross multiply
1,112,455.69x = 1,668,599.70 × 354,266.53 - Step 4: Simplify right side
1,112,455.69x = 591,129,020,178.04 - Step 5: Solve for x
x = 591,129,020,178.04/1,112,455.69 - Step 6: Final answer
x = 531,373.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.