Finding the Fourth Proportional to 1,129,937.10, 1,559,324.46 and 613,701.08
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Solution
The fourth proportional to 1,129,937.10, 1,559,324.46 and 613,701.08 is: 846,913.61
Step by Step Solution
- Step 1: Write the proportion equation
1,129,937.10 : 1,559,324.46 = 613,701.08 : x - Step 2: Convert to fraction form
1,129,937.10/1,559,324.46 = 613,701.08/x - Step 3: Cross multiply
1,129,937.10x = 1,559,324.46 × 613,701.08 - Step 4: Simplify right side
1,129,937.10x = 956,959,105,172.42 - Step 5: Solve for x
x = 956,959,105,172.42/1,129,937.10 - Step 6: Final answer
x = 846,913.61
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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.