Finding the Fourth Proportional to 1,049,056.66, 1,567,612.99 and 787,690.39
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Solution
The fourth proportional to 1,049,056.66, 1,567,612.99 and 787,690.39 is: 1,177,051.47
Step by Step Solution
- Step 1: Write the proportion equation
1,049,056.66 : 1,567,612.99 = 787,690.39 : x - Step 2: Convert to fraction form
1,049,056.66/1,567,612.99 = 787,690.39/x - Step 3: Cross multiply
1,049,056.66x = 1,567,612.99 × 787,690.39 - Step 4: Simplify right side
1,049,056.66x = 1,234,793,687,462.17 - Step 5: Solve for x
x = 1,234,793,687,462.17/1,049,056.66 - Step 6: Final answer
x = 1,177,051.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.