Finding the Fourth Proportional to 1,159,737.10, 1,600,491.05 and 724,412.18
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Solution
The fourth proportional to 1,159,737.10, 1,600,491.05 and 724,412.18 is: 999,722.45
Step by Step Solution
- Step 1: Write the proportion equation
1,159,737.10 : 1,600,491.05 = 724,412.18 : x - Step 2: Convert to fraction form
1,159,737.10/1,600,491.05 = 724,412.18/x - Step 3: Cross multiply
1,159,737.10x = 1,600,491.05 × 724,412.18 - Step 4: Simplify right side
1,159,737.10x = 1,159,415,210,600.99 - Step 5: Solve for x
x = 1,159,415,210,600.99/1,159,737.10 - Step 6: Final answer
x = 999,722.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.