Finding the Fourth Proportional to 1,245,866.67, 1,719,312.08 and 736,564.59
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Solution
The fourth proportional to 1,245,866.67, 1,719,312.08 and 736,564.59 is: 1,016,468.64
Step by Step Solution
- Step 1: Write the proportion equation
1,245,866.67 : 1,719,312.08 = 736,564.59 : x - Step 2: Convert to fraction form
1,245,866.67/1,719,312.08 = 736,564.59/x - Step 3: Cross multiply
1,245,866.67x = 1,719,312.08 × 736,564.59 - Step 4: Simplify right side
1,245,866.67x = 1,266,384,393,604.42 - Step 5: Solve for x
x = 1,266,384,393,604.42/1,245,866.67 - Step 6: Final answer
x = 1,016,468.64
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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.