Finding the Fourth Proportional to 1,306,482.68, 1,959,395.16 and 464,837.60
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Solution
The fourth proportional to 1,306,482.68, 1,959,395.16 and 464,837.60 is: 697,139.39
Step by Step Solution
- Step 1: Write the proportion equation
1,306,482.68 : 1,959,395.16 = 464,837.60 : x - Step 2: Convert to fraction form
1,306,482.68/1,959,395.16 = 464,837.60/x - Step 3: Cross multiply
1,306,482.68x = 1,959,395.16 × 464,837.60 - Step 4: Simplify right side
1,306,482.68x = 910,800,543,626.02 - Step 5: Solve for x
x = 910,800,543,626.02/1,306,482.68 - Step 6: Final answer
x = 697,139.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.