Finding the Fourth Proportional to 1,371,334.48, 1,892,389.30 and 751,129.80
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Solution
The fourth proportional to 1,371,334.48, 1,892,389.30 and 751,129.80 is: 1,036,530.49
Step by Step Solution
- Step 1: Write the proportion equation
1,371,334.48 : 1,892,389.30 = 751,129.80 : x - Step 2: Convert to fraction form
1,371,334.48/1,892,389.30 = 751,129.80/x - Step 3: Cross multiply
1,371,334.48x = 1,892,389.30 × 751,129.80 - Step 4: Simplify right side
1,371,334.48x = 1,421,429,996,431.14 - Step 5: Solve for x
x = 1,421,429,996,431.14/1,371,334.48 - Step 6: Final answer
x = 1,036,530.49
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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.