Finding the Fourth Proportional to 1,318,332.24, 1,819,288.08 and 745,485.12
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Solution
The fourth proportional to 1,318,332.24, 1,819,288.08 and 745,485.12 is: 1,028,763.58
Step by Step Solution
- Step 1: Write the proportion equation
1,318,332.24 : 1,819,288.08 = 745,485.12 : x - Step 2: Convert to fraction form
1,318,332.24/1,819,288.08 = 745,485.12/x - Step 3: Cross multiply
1,318,332.24x = 1,819,288.08 × 745,485.12 - Step 4: Simplify right side
1,318,332.24x = 1,356,252,192,633.37 - Step 5: Solve for x
x = 1,356,252,192,633.37/1,318,332.24 - Step 6: Final answer
x = 1,028,763.58
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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.