Finding the Fourth Proportional to 1,307,206.42, 1,803,988.62 and 726,454.02
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Solution
The fourth proportional to 1,307,206.42, 1,803,988.62 and 726,454.02 is: 1,002,530.87
Step by Step Solution
- Step 1: Write the proportion equation
1,307,206.42 : 1,803,988.62 = 726,454.02 : x - Step 2: Convert to fraction form
1,307,206.42/1,803,988.62 = 726,454.02/x - Step 3: Cross multiply
1,307,206.42x = 1,803,988.62 × 726,454.02 - Step 4: Simplify right side
1,307,206.42x = 1,310,514,785,033.25 - Step 5: Solve for x
x = 1,310,514,785,033.25/1,307,206.42 - Step 6: Final answer
x = 1,002,530.87
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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.