Finding the Fourth Proportional to 1,011,952.84, 1,517,705.70 and 292,138.12
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Solution
The fourth proportional to 1,011,952.84, 1,517,705.70 and 292,138.12 is: 438,142.64
Step by Step Solution
- Step 1: Write the proportion equation
1,011,952.84 : 1,517,705.70 = 292,138.12 : x - Step 2: Convert to fraction form
1,011,952.84/1,517,705.70 = 292,138.12/x - Step 3: Cross multiply
1,011,952.84x = 1,517,705.70 × 292,138.12 - Step 4: Simplify right side
1,011,952.84x = 443,379,689,911.28 - Step 5: Solve for x
x = 443,379,689,911.28/1,011,952.84 - Step 6: Final answer
x = 438,142.64
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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.