Finding the Fourth Proportional to 1,029,909.70, 1,544,864.55 and 874,389.70
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Solution
The fourth proportional to 1,029,909.70, 1,544,864.55 and 874,389.70 is: 1,311,584.55
Step by Step Solution
- Step 1: Write the proportion equation
1,029,909.70 : 1,544,864.55 = 874,389.70 : x - Step 2: Convert to fraction form
1,029,909.70/1,544,864.55 = 874,389.70/x - Step 3: Cross multiply
1,029,909.70x = 1,544,864.55 × 874,389.70 - Step 4: Simplify right side
1,029,909.70x = 1,350,813,650,415.14 - Step 5: Solve for x
x = 1,350,813,650,415.14/1,029,909.70 - Step 6: Final answer
x = 1,311,584.55
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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.