Finding the Fourth Proportional to 1,320,984.72, 1,822,988.16 and 740,251.08
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Solution
The fourth proportional to 1,320,984.72, 1,822,988.16 and 740,251.08 is: 1,021,562.88
Step by Step Solution
- Step 1: Write the proportion equation
1,320,984.72 : 1,822,988.16 = 740,251.08 : x - Step 2: Convert to fraction form
1,320,984.72/1,822,988.16 = 740,251.08/x - Step 3: Cross multiply
1,320,984.72x = 1,822,988.16 × 740,251.08 - Step 4: Simplify right side
1,320,984.72x = 1,349,468,954,267.21 - Step 5: Solve for x
x = 1,349,468,954,267.21/1,320,984.72 - Step 6: Final answer
x = 1,021,562.88
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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.