Finding the Fourth Proportional to 1,329,263.81, 1,834,391.53 and 756,303.99
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Solution
The fourth proportional to 1,329,263.81, 1,834,391.53 and 756,303.99 is: 1,043,703.75
Step by Step Solution
- Step 1: Write the proportion equation
1,329,263.81 : 1,834,391.53 = 756,303.99 : x - Step 2: Convert to fraction form
1,329,263.81/1,834,391.53 = 756,303.99/x - Step 3: Cross multiply
1,329,263.81x = 1,834,391.53 × 756,303.99 - Step 4: Simplify right side
1,329,263.81x = 1,387,357,629,554.72 - Step 5: Solve for x
x = 1,387,357,629,554.72/1,329,263.81 - Step 6: Final answer
x = 1,043,703.75
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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.