Finding the Fourth Proportional to 1,283,154.80, 1,771,196.26 and 739,507.62
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Solution
The fourth proportional to 1,283,154.80, 1,771,196.26 and 739,507.62 is: 1,020,775.62
Step by Step Solution
- Step 1: Write the proportion equation
1,283,154.80 : 1,771,196.26 = 739,507.62 : x - Step 2: Convert to fraction form
1,283,154.80/1,771,196.26 = 739,507.62/x - Step 3: Cross multiply
1,283,154.80x = 1,771,196.26 × 739,507.62 - Step 4: Simplify right side
1,283,154.80x = 1,309,813,130,785.50 - Step 5: Solve for x
x = 1,309,813,130,785.50/1,283,154.80 - Step 6: Final answer
x = 1,020,775.62
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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.