Finding the Fourth Proportional to 1,207,047.68, 1,665,719.16 and 655,758.80
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Solution
The fourth proportional to 1,207,047.68, 1,665,719.16 and 655,758.80 is: 904,943.54
Step by Step Solution
- Step 1: Write the proportion equation
1,207,047.68 : 1,665,719.16 = 655,758.80 : x - Step 2: Convert to fraction form
1,207,047.68/1,665,719.16 = 655,758.80/x - Step 3: Cross multiply
1,207,047.68x = 1,665,719.16 × 655,758.80 - Step 4: Simplify right side
1,207,047.68x = 1,092,309,997,498.61 - Step 5: Solve for x
x = 1,092,309,997,498.61/1,207,047.68 - Step 6: Final answer
x = 904,943.54
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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.