Finding the Fourth Proportional to 1,295,990.58, 1,788,567.36 and 715,327.50
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Solution
The fourth proportional to 1,295,990.58, 1,788,567.36 and 715,327.50 is: 987,207.34
Step by Step Solution
- Step 1: Write the proportion equation
1,295,990.58 : 1,788,567.36 = 715,327.50 : x - Step 2: Convert to fraction form
1,295,990.58/1,788,567.36 = 715,327.50/x - Step 3: Cross multiply
1,295,990.58x = 1,788,567.36 × 715,327.50 - Step 4: Simplify right side
1,295,990.58x = 1,279,411,418,210.40 - Step 5: Solve for x
x = 1,279,411,418,210.40/1,295,990.58 - Step 6: Final answer
x = 987,207.34
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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.