Finding the Fourth Proportional to 1,051,908.61, 1,580,105.66 and 990,407.99
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Solution
The fourth proportional to 1,051,908.61, 1,580,105.66 and 990,407.99 is: 1,487,723.60
Step by Step Solution
- Step 1: Write the proportion equation
1,051,908.61 : 1,580,105.66 = 990,407.99 : x - Step 2: Convert to fraction form
1,051,908.61/1,580,105.66 = 990,407.99/x - Step 3: Cross multiply
1,051,908.61x = 1,580,105.66 × 990,407.99 - Step 4: Simplify right side
1,051,908.61x = 1,564,949,257,855.66 - Step 5: Solve for x
x = 1,564,949,257,855.66/1,051,908.61 - Step 6: Final answer
x = 1,487,723.60
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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.